Journal Description
Infectious Disease Reports
Infectious Disease Reports
is an international, scientific, peer-reviewed open access journal on infectious diseases published bimonthly online by MDPI (from Volume 12 Issue 3 - 2020).
- Open Access— free for readers, with article processing charges (APC) paid by authors or their institutions.
- High Visibility: indexed within Scopus, ESCI (Web of Science), PubMed, PMC, Embase, and other databases.
- Rapid Publication: manuscripts are peer-reviewed and a first decision is provided to authors approximately 32.6 days after submission; acceptance to publication is undertaken in 3.9 days (median values for papers published in this journal in the first half of 2024).
- Journal Rank: JCR - Q2 (Infectious Diseases) / CiteScore - Q2 (Infectious Diseases)
- Recognition of Reviewers: APC discount vouchers, optional signed peer review, and reviewer names published annually in the journal.
- Benefits of Publishing: We aim to be a leading journal on infectious diseases and to be in the top 20 journals listed in the Journal Citation Report (JCR) in this specific category in the near future.
Impact Factor:
3.4 (2023);
5-Year Impact Factor:
3.0 (2023)
Latest Articles
Lipid Metabolism Disorders as Diagnostic Biosignatures in Sepsis
Infect. Dis. Rep. 2024, 16(5), 806-819; https://doi.org/10.3390/idr16050062 (registering DOI) - 26 Aug 2024
Abstract
Critical illness causes disturbances in lipid metabolism. Here, we investigated the levels of apolipoprotein A-IV (apoA-IV), a regulator of triglyceride and cholesterol metabolism, in human sepsis. ApoA-IV (analyzed in 156 patients with systemic inflammatory response syndrome (SIRS)/sepsis) and cholesteryl ester (CE) (analyzed in
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Critical illness causes disturbances in lipid metabolism. Here, we investigated the levels of apolipoprotein A-IV (apoA-IV), a regulator of triglyceride and cholesterol metabolism, in human sepsis. ApoA-IV (analyzed in 156 patients with systemic inflammatory response syndrome (SIRS)/sepsis) and cholesteryl ester (CE) (analyzed in 121 of these patients) were lower in patients compared to 43 healthy controls. In contrast, triglyceride (TG) levels were elevated in patients. ApoA-IV levels in plasma of the patients did not correlate with these lipids. Patients with SIRS, sepsis or septic shock had comparable apoA-IV, TG, CE and free cholesterol (FC) levels. Patients on dialysis had significantly lower CE levels, whereas apoA-IV levels did not change much. CE levels were elevated in patients with viral sepsis due to SARS-CoV-2 infection in comparison to SIRS/sepsis patients not infected by this virus. CE levels correlated negatively with procalcitonin, interleukin-6 and bilirubin, while TGs were positively associated with bilirubin and C-reactive protein. ApoA-IV, TG, CE and FC levels were not associated with bacterial infection or survival. In conclusion, this analysis suggests that CE levels decline in sepsis-related renal failure and also shows that plasma apoA-IV and CE levels are early biomarkers of sepsis.
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(This article belongs to the Section Bacterial Diseases)
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Open AccessArticle
First Insight into the Prevalence of Coxiella burnetii Infection among Veterinary Medicine Students in Bulgaria
by
Petia Genova-Kalou, Yordan Hodzhev, Ilia Tsachev, Roman Pepovich, Stefan Panaiotov, Veselin Dobrinov, Stefka Krumova, Betina Boneva-Marutsova, Borislava Chakarova, Keytlin Todorova, Konstantin Simeonov, Magdalena Baymakova and Pierre-Edouard Fournier
Infect. Dis. Rep. 2024, 16(5), 794-805; https://doi.org/10.3390/idr16050061 (registering DOI) - 26 Aug 2024
Abstract
The aim of this study was to assess the prevalence of Coxiella burnetii infection among veterinary medicine students from two Bulgarian Universities, located in Sofia and Stara Zagora. Blood samples were collected from a total of 185 veterinary students for the detection of
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The aim of this study was to assess the prevalence of Coxiella burnetii infection among veterinary medicine students from two Bulgarian Universities, located in Sofia and Stara Zagora. Blood samples were collected from a total of 185 veterinary students for the detection of C. burnetii phase II antibodies and presence of DNA using an enzyme-linked immunosorbent assay (ELISA) and end-point PCR test. Out of all samples, 29.7% were positive for at least one C. burnetii phase II antibody marker or by the result of the PCR test. Veterinary students from Stara Zagora showed a significantly high seropositivity for Q fever (33.6%), as compared to the students in Sofia (23%; p < 0.05). Evidence of recent exposure with detection of anti-C. burnetii phase II IgM (+) antibodies was observed in 14.6% of the students under study. Seroprevalence among students in Stara Zagora was higher (15.3%). Anti-C. burnetii phase II IgG antibodies were detected in 21.6% of examined samples. Our study revealed a higher seropositivity among the male students (32.8%) as compared to females (16.0%; p < 0.05). The end-point PCR assay detected 5.9% blood samples as positive. The relative risk (RR) of Q fever exposure for male students was 40.7%, whereas it was 24.6% in females (p < 0.05). The findings from this study indicate that the C. burnetii infection is widely distributed amongst veterinary students in Bulgaria. This study emphasizes the need for improved safety protocols and infection control measures in veterinary training programs.
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(This article belongs to the Special Issue Emerging Infections: Epidemiology, Diagnostics, Clinics and Evolution)
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Open AccessArticle
Comparative Epidemiological and Clinical Outcomes on COVID-19 and Seasonal Influenza Hospitalized Patients during 2023
by
Constantin-Marinel Vlase, Mariana Stuparu Cretu, Mihaela-Camelia Vasile, George-Cosmin Popovici and Manuela Arbune
Infect. Dis. Rep. 2024, 16(5), 783-793; https://doi.org/10.3390/idr16050060 (registering DOI) - 23 Aug 2024
Abstract
COVID-19 and influenza are highly contagious respiratory viral diseases and priority global public health concerns. We conducted a retrospective observational study of COVID-19 and/or influenza hospitalized cases, during 2023. We identified 170 influenza cases, 150 COVID-19 cases and 3 co-infections. Overall, 29.10% of
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COVID-19 and influenza are highly contagious respiratory viral diseases and priority global public health concerns. We conducted a retrospective observational study of COVID-19 and/or influenza hospitalized cases, during 2023. We identified 170 influenza cases, 150 COVID-19 cases and 3 co-infections. Overall, 29.10% of patients had at least one COVID-19 vaccine dose and 4.6% received the seasonal Flu vaccine. The demographic data found older patients in the COVID-19 group and a higher index of the comorbidities, mainly due to chronic heart diseases, hypertension, and diabetes. Fever, chills, and rhinorrhea were more frequently related to influenza, while cough was prevalent in COVID-19. Antibiotics were more used in influenza than COVID-19, either pre-hospital or in-hospital. The mortality rate within the first 30 days from the onset of the respiratory infection was higher in influenza compared to COVID-19. We concluded that the COVID-19 clinical picture in hospitalized patients is changing to influenza-like symptoms. The evolution is variable, related to chronic comorbidities, but influenza had more frequent severe forms. All through 2023, due to poor vaccination rates, COVID-19 and influenza have continued to cause numerous hospitalizations, and a new strategy for efficient vaccinations is required.
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(This article belongs to the Special Issue Viral Infectious Diseases: Epidemiology and Prevention through Vaccination)
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Open AccessArticle
The Impact of COVID-19 Vaccination Side-Effects on Work Attendance among Saudi Healthcare Workers
by
Jawaher Alguraini, Mohamed T. S. Saleem, Nahed N. Mahrous, Abbas Shamsan, Fatima Zia Zaidi, Ohoud S. Alhumaidan and Yahya F. Jamous
Infect. Dis. Rep. 2024, 16(4), 770-782; https://doi.org/10.3390/idr16040059 - 19 Aug 2024
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Objective: This cross-sectional-survey-based study aimed to investigate the severity of side-effects from Coronavirus disease (COVID-19) mRNA (Pfizer, Moderna), viral vector DNA (Oxford-AstraZeneca, J&J/Janssen), inactivated virus (Sinopharm, Sinovac), and other vaccines among healthcare workers (HCWs) in Saudi Arabia, focusing on their impact on work
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Objective: This cross-sectional-survey-based study aimed to investigate the severity of side-effects from Coronavirus disease (COVID-19) mRNA (Pfizer, Moderna), viral vector DNA (Oxford-AstraZeneca, J&J/Janssen), inactivated virus (Sinopharm, Sinovac), and other vaccines among healthcare workers (HCWs) in Saudi Arabia, focusing on their impact on work attendance. Methods: A total of 894 HCWs residing in Saudi Arabia participated in this study from March 2023 to May 2023. Participants completed an online questionnaire assessing demographic information, vaccination status, comorbidities, vaccine side-effects, and missed work information after vaccination. Descriptive statistics and chi-square tests were used for data analysis. Results: The majority of participants were female (83.7%) and aged 25–34 years (42.8%). Most participants were predominantly vaccinated with mRNA vaccines. Common side-effects included pain at the injection site, fatigue, fever, and chills. However, no significant association was found between vaccine type, side-effects, and work absenteeism. While demographic factors such as age and healthcare profession did not influence work absenteeism, variations were observed among different racial groups. Conclusion: COVID-19 vaccination among HCWs in Saudi Arabia is associated with common side-effects, but their impact on work attendance is not significant. Understanding these implications can inform strategies to support the healthcare workforce and mitigate the impact on patient care and staffing during the ongoing COVID-19 pandemic.
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Open AccessCase Report
Hemophagocytic Lymphohistiocytosis and Miliary Tuberculosis in an Apparently Immunocompetent Patient: A Case Report
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Filippo Ducci, Francesca Mariotti, Jessica Mencarini, Claudio Fabbri, Alessandra Francesca Manunta, Daniela Messeri, Paola Parronchi, Pierluigi Blanc and Alessandro Bartoloni
Infect. Dis. Rep. 2024, 16(4), 763-769; https://doi.org/10.3390/idr16040058 - 17 Aug 2024
Abstract
Hemophagocytic lymphohistiocytosis (HLH) is a serious haematologic condition that can be related to various diseases, including tuberculosis (TB). The patient is a previously healthy 26-year-old man, originally from western Africa, admitted to hospital for fever and weight loss. Given the results of a
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Hemophagocytic lymphohistiocytosis (HLH) is a serious haematologic condition that can be related to various diseases, including tuberculosis (TB). The patient is a previously healthy 26-year-old man, originally from western Africa, admitted to hospital for fever and weight loss. Given the results of a computed tomography (CT) scan, ocular examination and microbiologic tests, miliary TB with pulmonary, lymph nodal and ocular involvement was diagnosed. Following the introduction of antitubercular treatment (ATT), an increase in inflammation indexes and severe pancytopenia were observed; at this point, the patient presented with six of the eight diagnostic criteria for HLH, and a diagnosis of HLH secondary to TB was raised. Therefore, HLH treatment with a high dose of dexamethasone was started, with a good clinical response. We performed a literature review of TB-related HLH, which shows a high mortality rate. ATT is necessary to ensure patient survival to remove the antigenic driver. Our patient developed HLH after the initiation of ATT as a paradoxical reaction, which may be linked to the release of antigens due to the bactericidal effect of ATT.
Full article
(This article belongs to the Section Tuberculosis and Mycobacteriosis)
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Open AccessArticle
Burden of Disease Due to Respiratory Syncytial Virus in Adults in Five Middle-Income Countries
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Jorge A. Gómez, Otavio Cintra, Arnas Berzanskis, Salma Pacheco, Henny Jaswantlal, Abdelkader El Hasnaoui, Desirée A. M. van Oorschot and Adriana Guzman-Holst
Infect. Dis. Rep. 2024, 16(4), 750-762; https://doi.org/10.3390/idr16040057 - 15 Aug 2024
Abstract
Respiratory syncytial virus (RSV) is an important cause of severe respiratory disease in older adults. Understanding the disease burden is crucial for guiding vaccination policy and raising disease awareness. We estimated the burden of RSV hospitalizations and deaths in adults in five middle-income
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Respiratory syncytial virus (RSV) is an important cause of severe respiratory disease in older adults. Understanding the disease burden is crucial for guiding vaccination policy and raising disease awareness. We estimated the burden of RSV hospitalizations and deaths in adults in five middle-income countries: Argentina, Brazil, Chile, Mexico, and Malaysia. Hospital discharge and death statistics due to any respiratory disease (ICD-10 codes: J00–99) from 2010 to 2022 were obtained. The RSV attributable burden on hospitalizations and deaths by age group was determined for 2019 using previously published estimates. Latin American countries showed distinct annual peaks in respiratory-related hospitalizations and deaths during winter months that were absent in Malaysia. Among ≥20-year-olds in 2019, there were 14,604 RSV-attributable hospitalizations nationally in Argentina, 44,323 in Brazil, 4529 in Chile, 7416 in Malaysia, and 8651 in Mexico, and 60–74% in ≥65-year-olds. There were also 3518 RSV-attributable deaths in Argentina, 9115 in Brazil, 801 in Chile, 704 in Malaysia, and 3806 in Mexico 79–88% in ≥65-year-olds. Incidences of RSV-attributable hospitalizations in ≥75-year-olds ranged between 256.3 and 294.3 per 100,000 population, and deaths between 33.6 and 112.9 per 100,000 population. RSV is associated with a substantial disease burden beyond pediatric age groups, and preventive vaccines could have a major impact on this burden, especially in older adults.
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(This article belongs to the Section Infection Prevention and Control)
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Open AccessArticle
A Retrospective Study: Evaluating the Impact of the COVID-19 Pandemic on Inflammatory Markers in Hospitalized Patients
by
Elmoeiz A. Elnagi, Thekra N. Al-Maqati, Rawan M. Maawadh, Salma AlBahrani, Faisal Salem Al Khalaf, Faisal M. Alzahrani, Wael Nazzal, Maha Alanazi, Abdullah S. Abdali, Amjad Saleh Al Atawi, Lamiaa H. Al-Jamea, Ahmad Mohammad Alshehri, Adnan Awad ALshammari, Rania Saad Suliman and Ibrahim Al Bassam
Infect. Dis. Rep. 2024, 16(4), 735-749; https://doi.org/10.3390/idr16040056 - 14 Aug 2024
Abstract
Background: The COVID-19 pandemic has had a significant impact globally, and understanding the relationship between inflammatory markers and disease progression is crucial for effective management. This retrospective study aimed to examine the association between various inflammatory markers, such as C-reactive protein (CRP), the
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Background: The COVID-19 pandemic has had a significant impact globally, and understanding the relationship between inflammatory markers and disease progression is crucial for effective management. This retrospective study aimed to examine the association between various inflammatory markers, such as C-reactive protein (CRP), the erythrocyte sedimentation rate (ESR), lactate dehydrogenase (LDH), D-dimer, ferritin, and procalcitonin (PCT), and the characteristics of disease progression and outcomes in individuals affected by COVID-19. Methods: This study collected raw data from 470 patients who tested positive for SARS-CoV-2 using RT-PCR. Results: The logistic regression analysis revealed that elevated LDH levels were associated with male gender, ICU admission, low oxygen saturation (O2 < 93%), the need for mechanical ventilation, death, and the presence of lung infiltrates. Higher D-dimer levels were associated with older age, diabetes mellitus, cardiac disease, and low oxygen saturation. Ferritin levels were significantly associated with older age, ICU admission, low oxygen saturation, mechanical ventilation, and lung infiltrates. In contrast, CRP was only significant regarding lung infiltrates and procalcitonin levels were not significantly associated with any of the examined factors. Conclusion: This study highlights the importance of monitoring key inflammatory markers, such as LDH, D-dimer, and ferritin, as they are significantly associated with the severity of COVID-19 illness. These findings can inform clinical decision-making and guide the development of targeted interventions to improve patient outcomes.
Full article
(This article belongs to the Special Issue Emerging Infections: Epidemiology, Diagnostics, Clinics and Evolution)
Open AccessCase Report
Beauty’s Betrayal: Mycobacterium abscessus Case Series Following Aesthetic Procedures in the Brazilian Amazon
by
Roberto C. C. Carbonell, Letícia L. F. Oliveira, Luis E. B. Galan, Eloise T. M. Filardi, Alysson B. M. Lins, Jânio J. M. Nattrodt, Domingos S. M. Dantas, Adilson C. A. Bernardi, Felipe A. Cerni and Manuela B. Pucca
Infect. Dis. Rep. 2024, 16(4), 724-734; https://doi.org/10.3390/idr16040055 - 7 Aug 2024
Abstract
The Brazilian market holds the second position globally in the beauty sector, poised to surpass the USD 50 billion mark in the upcoming years. Aesthetic procedures encompass a spectrum, ranging from non-invasive ones, such as drainage, radiofrequency, ultrasound, and cryolipolysis, to more invasive
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The Brazilian market holds the second position globally in the beauty sector, poised to surpass the USD 50 billion mark in the upcoming years. Aesthetic procedures encompass a spectrum, ranging from non-invasive ones, such as drainage, radiofrequency, ultrasound, and cryolipolysis, to more invasive techniques, including fillers, botulinum toxin, microneedling, micropigmentation, carboxytherapy, and enzyme application. This wide array of treatments has yielded satisfactory cosmetic results for individuals who opt out of surgical procedures. However, despite being categorized as having low complexity, they still carry inherent risks. These risks are often exacerbated by the breach of the skin barrier, the exposure of organs and spaces, or the presence of implantable devices. Among the bacteria most isolated concerning this matter are non-tuberculous Mycobacteria. This study presents descriptive case reports involving three patients under the care of the Infectious Diseases Department at General Hospital of Roraima (HGR). These patients were diagnosed with Mycobacterium abscessus infections subsequent to undergoing enzyme application procedures. Although these cases involve the same microorganism, they exhibit varying degrees of severity, ranging from the development of locally nodular formations to a progression towards sepsis. These cases provide an opportunity to delve into the diagnostic subtleties and clinical implications of these infections while also prompting a critical evaluation of therapeutic strategies. Additionally, the report underscores the potential risks associated with routine aesthetic procedures.
Full article
(This article belongs to the Section Neglected Tropical Diseases)
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Open AccessReview
eHealth and mHealth in Antimicrobial Stewardship to Reduce Mortality in Empirical Antimicrobial Therapy and a Systematic Review with a Meta-Analysis of Adequate Therapy
by
Felipe Francisco Tuon, Tiago Zequinao, Marcelo Silva da Silva and Kleber Oliveira Silva
Infect. Dis. Rep. 2024, 16(4), 707-723; https://doi.org/10.3390/idr16040054 - 1 Aug 2024
Cited by 1
Abstract
The urgent requirement for swift diagnostic methods in pathogen identification and antimicrobial susceptibility testing is emphasized by rising bacterial resistance and limited treatment options, which are particularly critical in sepsis management. The shift from traditional phenotype-based methods to rapid molecular and mass spectrometry
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The urgent requirement for swift diagnostic methods in pathogen identification and antimicrobial susceptibility testing is emphasized by rising bacterial resistance and limited treatment options, which are particularly critical in sepsis management. The shift from traditional phenotype-based methods to rapid molecular and mass spectrometry techniques has significantly reduced result turnaround times, enhancing patient outcomes. In this systematic review with meta-analysis, the aspects of correct empirical antimicrobial therapy are evaluated to determine their impact on mortality. We performed a systematic review and meta-analysis on EMBASE, the Cochrane Library, Web of Science, and MEDLINE. Studies evaluating mortality associated with empirical adequate and inadequate therapy in different sites of infection were included. Outcomes included clinical cures in microbiologically evaluable patients. Among the sites of infection, the most studied were bloodstream infections (n = 9), followed by respiratory tract infections (n = 5), intra-abdominal infections (n = 5), and urinary tract infections (evaluated by 3 studies). Inadequate therapy was associated with an increase in mortality between 11 and 68%. Technologies to speed up pathogen identification are extremely necessary to reduce mortality.
Full article
(This article belongs to the Section Antimicrobial Stewardship)
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Open AccessCase Report
A Case of Pseudomonas straminea Blood Stream Infection in an Elderly Woman with Cellulitis
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Leopold Böhm, Marius Eberhardt Schaller, Carsten Balczun, Andreas Krüger, Timo Schummel, Alexander Ammon, Niklas Klein, Dario Lucas Helbing, Rüdiger Eming and Frieder Fuchs
Infect. Dis. Rep. 2024, 16(4), 699-706; https://doi.org/10.3390/idr16040053 - 29 Jul 2024
Abstract
Here, we report the simultaneous isolation of Pseudomonas straminea from blood cultures and from a skin ulcer in an elderly woman who suffered from atopic dermatitis and psoriasis and developed acute cellulitis of both arms requiring hospital treatment. To the best of our
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Here, we report the simultaneous isolation of Pseudomonas straminea from blood cultures and from a skin ulcer in an elderly woman who suffered from atopic dermatitis and psoriasis and developed acute cellulitis of both arms requiring hospital treatment. To the best of our knowledge, P. straminea has not been previously reported to cause invasive infections in humans. This case highlights how chronic diseases and older age increase the susceptibility to bacterial infections with environmental bacteria of low virulence. Our study describes the microbiological identification of the blood culture isolate, including morpho-molecular characterization and virulence demonstration in a Galleria mellonella model.
Full article
(This article belongs to the Section Infections in the Immuncompromised Host)
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Open AccessReview
Predatory Bacteria in the Treatment of Infectious Diseases and Beyond
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Konstantinos Alexakis, Stella Baliou and Petros Ioannou
Infect. Dis. Rep. 2024, 16(4), 684-698; https://doi.org/10.3390/idr16040052 - 25 Jul 2024
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Antimicrobial resistance (AMR) is an increasing problem worldwide, with significant associated morbidity and mortality. Given the slow production of new antimicrobials, non-antimicrobial methods for treating infections with significant AMR are required. This review examines the potential of predatory bacteria to combat infectious diseases,
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Antimicrobial resistance (AMR) is an increasing problem worldwide, with significant associated morbidity and mortality. Given the slow production of new antimicrobials, non-antimicrobial methods for treating infections with significant AMR are required. This review examines the potential of predatory bacteria to combat infectious diseases, particularly those caused by pathogens with AMR. Predatory bacteria already have well-known applications beyond medicine, such as in the food industry, biocontrol, and wastewater treatment. Regarding their potential for use in treating infections, several in vitro studies have shown their potential in eliminating various pathogens, including those resistant to multiple antibiotics, and they also suggest minimal immune stimulation and cytotoxicity by predatory bacteria. In vivo animal studies have demonstrated safety and efficacy in reducing bacterial burden in various infection models. However, results can be inconsistent, suggesting dependence on factors like the animal model and the infecting bacteria. Until now, no clinical study in humans exists, but as experience with predatory bacteria grows, future studies including clinical studies in humans could be designed to evaluate their efficacy and safety in humans, thus leading to the potential for approval of a novel method for treating infectious diseases by bacteria.
Full article
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Open AccessSystematic Review
Why Do Physicians Prescribe Antibiotics? A Systematic Review of the Psycho-Socio-Organisational Factors Related to Potentially Inappropriate Prescribing of Antimicrobials in Europe
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Chiara Lansink, Bhanu Sinha, Nico Meessen, Tessa Dekkers and Nienke Beerlage-de Jong
Infect. Dis. Rep. 2024, 16(4), 664-683; https://doi.org/10.3390/idr16040051 - 25 Jul 2024
Abstract
Purpose: Effective antimicrobial use enhances care quality and combats antibiotic resistance. Yet, non-guideline factors influence potentially inappropriate prescribing. This study explores psycho-socio-organisational factors in antimicrobial prescribing as perceived by physicians across primary, secondary, and tertiary care. Methods: Adhering to PRISMA guidelines, a systematic
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Purpose: Effective antimicrobial use enhances care quality and combats antibiotic resistance. Yet, non-guideline factors influence potentially inappropriate prescribing. This study explores psycho-socio-organisational factors in antimicrobial prescribing as perceived by physicians across primary, secondary, and tertiary care. Methods: Adhering to PRISMA guidelines, a systematic review was conducted using PubMed and Scopus databases from 1 January 2000, to 8 March 2023, with an update search until 30 January 2024. Inclusion criteria focused on studies in Europe exploring psycho-socio-organisational factors for antibiotic prescribing from physicians’ perspectives in hospital, inpatient, or primary care settings. Exclusion criteria targeted out-of-office prescriptions or low-quality studies. To evaluate the latter, several quality and risk-of-bias checklists were used. Data were extracted on study characteristics, study design, and methods and identified determinants of antibiotic prescribing. Data was analysed using a narrative synthesis method. Results: Among 8370 articles, 58 met inclusion criteria, yielding 35 articles from 23 countries. Three main themes emerged: personal, psychological, and organisational factors, encompassing seven determinants including work experience, knowledge, guideline adherence, uncertainty management, perceived pressure, time constraints, and diagnostic resource availability. Uncertainty management was key, with work experience and knowledge mitigating it. No additional factors emerged in the updated search. Conclusion: Enhanced uncertainty management decreases perceived patient and/or parental pressure to prescribe antibiotics, contributing to reducing potentially inappropriate prescribing (PIP). Therefore, it is imperative to educate physicians on effectively managing uncertainty. Interventions to improve antibiotic prescribing should be tailored to the specific needs and preferences of the different prescribing physicians.
Full article
(This article belongs to the Section Antimicrobial Stewardship)
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Open AccessArticle
Chagas Disease in the Non-Endemic Area of Rome, Italy: Ten Years of Experience and a Brief Overview
by
Maria Letizia Giancola, Andrea Angheben, Laura Scorzolini, Stefania Carrara, Ada Petrone, Antonella Vulcano, Raffaella Lionetti, Angela Corpolongo, Rosalia Marrone, Francesca Faraglia, Tommaso Ascoli Bartoli, Patrizia De Marco, Maria Virginia Tomassi, Carla Fontana and Emanuele Nicastri
Infect. Dis. Rep. 2024, 16(4), 650-663; https://doi.org/10.3390/idr16040050 - 24 Jul 2024
Abstract
Chagas disease (CD) is a parasitic infection endemic in Latin America and also affects patients in Western countries due to migration flows. This has a significant impact on health services worldwide due to its high morbidity and mortality burden. This paper aims to
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Chagas disease (CD) is a parasitic infection endemic in Latin America and also affects patients in Western countries due to migration flows. This has a significant impact on health services worldwide due to its high morbidity and mortality burden. This paper aims to share our experience at the National Institute for Infectious Diseases “Lazzaro Spallanzani”, IRCCS, in Rome, Italy, where to date, a total of 47 patients—mainly Bolivian women—diagnosed with CD have received treatment with benznidazole, with all but one presenting with chronic disease. Most of the patients were recruited through the first extensive screening program held in 2014 at our Institute. About a quarter of our patients showed adverse effects to benznidazole, including a case of severe drug-induced liver injury, but 83% completed a full course of treatment. In addition to the description of our cohort, the paper reports a brief overview of the disease compiled through a review of the existing literature on CD in non-endemic countries. The growing prevalence of CD in Western countries highlights the importance of screening at-risk populations and urges public concern and medical awareness about this neglected tropical disease. There are still many unanswered questions that need to be addressed to develop a personalized approach in treating patients.
Full article
(This article belongs to the Section Neglected Tropical Diseases)
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Open AccessBrief Report
Epidemiological Features of Leptospirosis and Identification of Leptospira wolffii as a Persistently Prevailing Species in North–Central Bangladesh
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Monira Sultana, Shyamal Kumar Paul, Syeda Anjuman Nasreen, Nazia Haque, Md. Kamrul Hasan, Arup Islam, Sultana Shabnam Nila, Afsana Jahan, Fardousi Akter Sathi, Tasmia Hossain, Syeda Jannatul Ferdaus, Meiji Soe Aung and Nobumichi Kobayashi
Infect. Dis. Rep. 2024, 16(4), 638-649; https://doi.org/10.3390/idr16040049 - 23 Jul 2024
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Leptospirosis is considered to be the most widespread, yet neglected, re-emerging zoonotic disease caused by infection with a pathogenic species of the genus Leptospira. Although this disease is prevalent in Bangladesh, the recent epidemiological status has not yet been well documented. In
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Leptospirosis is considered to be the most widespread, yet neglected, re-emerging zoonotic disease caused by infection with a pathogenic species of the genus Leptospira. Although this disease is prevalent in Bangladesh, the recent epidemiological status has not yet been well documented. In this study, we aimed to determine the prevalence of leptospirosis among febrile patients using different diagnostic methods and to characterize the epidemiological features and species of Leptospira in Mymensingh, north–central Bangladesh. Among the blood samples of 186 patients with suspected leptospirosis who met the inclusion criteria, including having a fever for more than 5 days (November 2021–June 2022), 88 samples (47%) were Leptospira-positive according to IgM LAT, IgM ELISA, or nested PCR (positivity rates: 38%, 37%, and 42%, respectively). Nested PCR showed a significantly higher positivity rate (54%) in patients with a short fever (5–10 day) than the other methods did, with lower rates among those with a longer fever. Leptospirosis cases were more common in males (68%), those 16–45 years of age (70%), residents of rural areas (81%), and farmers (41%). In addition to a fever, myalgia and jaundice were found in more than 70% of the patients, while variable symptoms were observed. The 16S rRNA sequencing analysis revealed that the Leptospira species in all the 22 samples tested were L. wolffii, belonging to the pathogenic subclade P2. This study showed the recent epidemiological features of leptospirosis in Bangladesh, indicating the presumptive predominance of L. wolffii since 2019.
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Open AccessCase Report
Primary Varicella Infection in a Young Adult from the Democratic Republic of the Congo: A Case Report and Mini-Review
by
Andrew McNaughton, Nessika Karsenti, Jason Kwan, Asal Adawi, Saniya Mansuri and Andrea K. Boggild
Infect. Dis. Rep. 2024, 16(4), 628-637; https://doi.org/10.3390/idr16040048 - 19 Jul 2024
Abstract
We describe a case of an immunocompetent adult male patient originally from the Democratic Republic of Congo (DRC), who was referred to our unit for a several-day history of fever and a pruritic, vesicular rash. There was initial concern in the Emergency Department
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We describe a case of an immunocompetent adult male patient originally from the Democratic Republic of Congo (DRC), who was referred to our unit for a several-day history of fever and a pruritic, vesicular rash. There was initial concern in the Emergency Department for Mpox (formerly known as “monkeypox”) given the current epidemiology versus other viral etiologies. Primary varicella zoster virus (pVZV) infection was ultimately diagnosed by PCR from a swabbed, unroofed lesion, and he recovered completely with supportive management and without antiviral therapy. We herein describe how common viral exanthems may best be differentiated in an emergency or outpatient setting.
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(This article belongs to the Special Issue Viral Infectious Diseases: Epidemiology and Prevention through Vaccination)
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Open AccessArticle
Frequency of SARS-CoV-2 Infections among Healthcare Workers in Germany: 3-Year Follow-Up Study
by
Christian Stammkötter, Laura Thümmler, Johannes Korth, Beate Marenbach, Peer Braß, Peter A. Horn, Monika Lindemann, Ulf Dittmer, Oliver Witzke, Hana Rohn and Adalbert Krawczyk
Infect. Dis. Rep. 2024, 16(4), 615-627; https://doi.org/10.3390/idr16040047 - 19 Jul 2024
Abstract
The emergence of SARS-CoV-2 in 2019 led to a global pandemic with a significant impact on healthcare systems. Healthcare workers were particularly vulnerable due to frequent contact with COVID-19 patients. Despite vaccination, they remained at higher risk as the vaccines provided limited protection
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The emergence of SARS-CoV-2 in 2019 led to a global pandemic with a significant impact on healthcare systems. Healthcare workers were particularly vulnerable due to frequent contact with COVID-19 patients. Despite vaccination, they remained at higher risk as the vaccines provided limited protection against infection with viral variants, like Delta or Omicron BA.1 and BA.5. Three years after the onset of the pandemic, we evaluated SARS-CoV-2 infection frequencies among healthcare workers with varying levels of patient contact: high-risk (frequent COVID-19 patient contact), intermediate-risk (non-COVID-19 patient contact), and low-risk (no patient contact). We assessed their cellular and humoral immune responses based on their vaccination status and number of prior infections. SARS-CoV-2-specific antibodies were measured by immunoglobulin ELISA, and neutralizing antibody titers were determined against the viral variants D614G, Delta, and Omicron BA.1 and BA.5. Cellular immune responses were analyzed using an interferon-γ ELISpot. Notably, three years into the pandemic, healthcare workers in daily contact with COVID-19 patients did not have higher infection rates compared to healthcare workers with non-COVID-19 patient contact or no patient contact. Immune responses were similar across all groups, highlighting the effectiveness of vaccination and current hygiene standards in preventing virus transmission from patients to staff.
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(This article belongs to the Section Infection Prevention and Control)
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Open AccessBrief Report
Clinical Ramifications of Bacterial Aggregation in Pleural Fluid
by
James B. Doub and Nicole Putnam
Infect. Dis. Rep. 2024, 16(4), 608-614; https://doi.org/10.3390/idr16040046 - 18 Jul 2024
Abstract
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Background: Bacterial aggregation has been well described to occur in synovial fluid, but it is unknown if bacteria form aggregates in body fluids beyond the synovial fluid. Consequently, this translational study evaluated the ability to form bacterial aggregates in different pleural fluids. Methods:
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Background: Bacterial aggregation has been well described to occur in synovial fluid, but it is unknown if bacteria form aggregates in body fluids beyond the synovial fluid. Consequently, this translational study evaluated the ability to form bacterial aggregates in different pleural fluids. Methods: Four of the most common causes of thoracic empyema—Streptococcus mitis, Streptococcus pneumoniae, Staphylococcus aureus, and Pseudomonas aeruginosa—were used here. The different pleural fluids included one transudative and two exudative pleural fluids. Twenty-four-well microwell plates were used to form the aggregates with the aid of an incubating shaker at different dynamic conditions (120 RPM, 30 RPM, and static). The aggregates were then visualized with SEM and evaluated for antibiotic resistance and the ability of tissue plasminogen activator (TPA) to dissolve the aggregates. Statistical comparisons were made between the different groups. Results: Bacterial aggregates formed at high shaking speeds in all pleural fluid types, but no aggregates were seen in TSB. When a low shaking speed (30 RPM) was used, only exudative pleural fluid with a high protein content formed aggregates. No aggregates formed under static conditions. Furthermore, there was a statistical difference in the CFU/mL of bacteria present after antibiotics were administered compared to bacteria with no antibiotics (p < 0.005) and when TPA plus antibiotics were administered compared to antibiotics alone (p < 0.005). Conclusions: This study shows that bacteria can form aggregates in pleural fluid and at dynamic conditions similar to those seen in vivo with thoracic empyema. Importantly, this study provides a pathophysiological underpinning for the reason why antibiotics alone have a limited utility in treating empyema.
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Open AccessArticle
Proprotein Convertase Subtilisin/Kexin Type 9 Induction in COVID-19 Is Poorly Associated with Disease Severity and Cholesterol Levels
by
Patricia Mester, Pablo Amend, Stephan Schmid, Jürgen J. Wenzel, Marcus Höring, Gerhard Liebisch, Sabrina Krautbauer, Martina Müller, Christa Buechler and Vlad Pavel
Infect. Dis. Rep. 2024, 16(4), 593-607; https://doi.org/10.3390/idr16040045 - 17 Jul 2024
Abstract
SARS-CoV-2 infection was shown to induce proprotein convertase subtilisin/kexin type 9 (PCSK9) plasma levels in sepsis. Here, we investigate the association between serum PCSK9 levels and disease severity. PCSK9 was measured in serum of 55 controls, 40 patients with moderate and 60 patients
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SARS-CoV-2 infection was shown to induce proprotein convertase subtilisin/kexin type 9 (PCSK9) plasma levels in sepsis. Here, we investigate the association between serum PCSK9 levels and disease severity. PCSK9 was measured in serum of 55 controls, 40 patients with moderate and 60 patients with severe COVID-19 disease. Serum PCSK9 was elevated in moderate COVID-19 compared to controls and further increased in severe cases. PCSK9 levels were not associated with C-reactive protein, bacterial superinfections, interventions, or survival in patients with severe COVID-19. PCSK9 regulates circulating cholesterol levels, and 15 cholesteryl ester (CE) species and free cholesterol (FC) were quantified by direct flow injection analysis using a high-resolution hybrid quadrupole-Orbitrap mass spectrometer. Most CE species with shorter fatty acid chains were decreased in severe compared to moderate COVID-19, and none of the CE species were correlated with PCSK9 in patients with severe COVID-19. Levels of all CE species negatively correlated with C-reactive protein in severe COVID-19 patients. Notably, FC was induced in severe compared to moderate COVID-19. The FC/CE ratio correlated positively with inflammatory markers and was associated with non-survival. The current study suggests that the imbalance between CE and FC levels is associated with disease severity and mortality in patients with COVID-19.
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(This article belongs to the Section Viral Infections)
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Open AccessCommunication
Clinical Features and Characteristics of Hand, Foot, and Mouth Disease Caused by Recent Coxsackievirus A6: Five Cases in Japan from 2019 to 2022
by
Kyohei Naomiya, Takashi Ito, Ayumi Saito, Tsukasa Igarashi, Tetsuo Nakayama, Kazuhiko Katayama and Kenji Ishikura
Infect. Dis. Rep. 2024, 16(4), 587-592; https://doi.org/10.3390/idr16040044 - 29 Jun 2024
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Hand, foot, and mouth disease (HFMD) is a common infectious disease caused by enteroviruses. Coxsackievirus A6 (CV-A6)-associated HFMD has recently emerged as a predominant disease worldwide. Here, we describe five HFMD cases caused by CV-A6 in Japan from 2019 to 2022. All clinical
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Hand, foot, and mouth disease (HFMD) is a common infectious disease caused by enteroviruses. Coxsackievirus A6 (CV-A6)-associated HFMD has recently emerged as a predominant disease worldwide. Here, we describe five HFMD cases caused by CV-A6 in Japan from 2019 to 2022. All clinical courses were not severe and were self-limited, and the skin exanthema with vesicles differed from that in classical HFMD. Phylogenetic analysis showed that the major epidemic strain cluster of CV-A6 was formed independently in 2011, and our latest CV-A6 strains in Japan were detected within this cluster. The five cases described in this report indicate the recent shift in the predominant and continuous disease manifestation of CV-A6-associated HFMD.
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Open AccessArticle
Saps1–3 Antigens in Candida albicans: Differential Modulation Following Exposure to Soluble Proteins, Mammalian Cells, and Infection in Mice
by
Pedro F. Barbosa, Diego S. Gonçalves, Lívia S. Ramos, Thaís P. Mello, Lys A. Braga-Silva, Marcia R. Pinto, Carlos P. Taborda, Marta H. Branquinha and André L. S. Santos
Infect. Dis. Rep. 2024, 16(4), 572-586; https://doi.org/10.3390/idr16040043 - 28 Jun 2024
Abstract
The secreted aspartic peptidases (Saps) of Candida albicans play crucial roles in various steps of fungal–host interactions. Using a flow cytometry approach, this study investigated the expression of Saps1–3 antigens after (i) incubation with soluble proteins, (ii) interaction with mammalian cells, and (iii)
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The secreted aspartic peptidases (Saps) of Candida albicans play crucial roles in various steps of fungal–host interactions. Using a flow cytometry approach, this study investigated the expression of Saps1–3 antigens after (i) incubation with soluble proteins, (ii) interaction with mammalian cells, and (iii) infection in immunosuppressed BALB/c mice. Supplementation strategies involving increasing concentrations of bovine serum albumin (BSA) added to yeast carbon base (YCB) medium as the sole nitrogenous source revealed a positive and significant correlation between BSA concentration and both the growth rate and the percentage of fluorescent cells (%FC) labeled with anti-Saps1–3 antibodies. Supplementing the YCB medium with various soluble proteins significantly modulated the expression of Saps1–3 antigens in C. albicans. Specifically, immunoglobulin G, gelatin, and total bovine/human sera significantly reduced the %FC, while laminin, human serum albumin, fibrinogen, hemoglobin, and mucin considerably increased the %FC compared to BSA. Furthermore, co-cultivating C. albicans yeasts with either live epithelial or macrophage cells induced the expression of Saps1–3 antigens in 78% (mean fluorescence intensity [MFI] = 152.1) and 82.7% (MFI = 178.2) of the yeast cells, respectively, compared to BSA, which resulted in 29.3% fluorescent cells (MFI = 50.9). Lastly, the yeasts recovered from the kidneys of infected immunosuppressed mice demonstrated a 4.8-fold increase in the production of Saps1–3 antigens (MFI = 246.6) compared to BSA, with 95.5% of yeasts labeled with anti-Saps1–3 antibodies. Altogether, these results demonstrated the positive modulation of Saps’ expression in C. albicans by various key host proteinaceous components, as well as by in vitro and in vivo host challenges.
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(This article belongs to the Special Issue Emerging Infections: Epidemiology, Diagnostics, Clinics and Evolution)
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