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Germs

Germs is an international, peer-reviewed, open access journal on the knowledge and practice in the area of infectious diseases in humans, published quarterly online.
It is the official journal of the Infection Science Forum (ISF). The Association for Increasing the Visibility of Scientific Research (ACVCS) and National Institute for Infectious Diseases “Prof. Dr. Matei Balș” are affiliated with Germs.

All Articles (480)

Variety of Clostridioides difficile Ribotypes in CDI Patients in Las Vegas, NV

  • Amber Consul,
  • Mohamad Mubder and
  • Ernesto Abel-Santos
  • + 6 authors

Objective: Although Las Vegas is a major tourist hub, it is not among the counties that are under CDC surveillance for Clostridioides difficile infection (CDI), a major nosocomial infection. To determine the distribution of C. difficile ribotypes in the Las Vegas area, we collected stool samples from CDI-positive patients at the University Medical Center (UMC). Methods: We included adult patients diagnosed with CDI and provided informed consent. C. difficile was isolated from the stool samples and ribotyped. Demographic information was also obtained and analyzed. All information was compared to the surveillance data from the CDC. Results: We identified more frequently in male patients than in the CDC data. Less than half of the patients used antibiotics prior to the infection. We observed several comorbidities in our patient sample pool, with cardiovascular disease and diabetes being the most prevalent comorbidities. Hypervirulent C. difficile strain 027 was the most prevalent ribotype. Except for two samples of ribotype 076, all other samples represented unique singlet ribotypes. Four of these ribotypes (160, 302, 363, and 813) have not been explicitly reported in humans. Conclusions: Due to the unique environment created by the tourism industry in Las Vegas, this population is exposed to national and international visitors. This study shows the pre-COVID landscape of C. difficile ribotypes in Las Vegas and offers valuable insights into the varieties of C. difficile that are currently infecting this community.

23 December 2025

Percentage of ribotypes reported in the community-acquired CDC data set (dark grey columns), healthcare-acquired CDC data set (light grey columns), and UMC data set (white columns). The disparities between ribotypes 027 and 106 in the different patient populations can be observed. CDC data from 2018 was used, for comparison as the ribotype reporting was discontinued the following year [15].

Background/Objectives: While COVID-19 severity is strongly associated with older age, younger adults may also develop complications. This study investigated factors associated with transfer to ICU in hospitalized younger adults during May–December 2021. Materials and methods: Eighty-six consecutive patients aged ≥18 and <50 years were admitted to the University Multi-profile Hospital for Active Treatment of Infectious and Parasitic Diseases “Prof. Ivan Kirov”, Sofia, Bulgaria between 12 May 2021, and 7 December 2021. Results: Among 86 patients (median age 40 years; 55.8% female), common symptoms included fever (89.5%), cough (91.9%), headache (76.7%), and gastrointestinal symptoms (83.7%). Laboratory abnormalities were frequent: lymphopenia (median 0.94 × 109/L), elevated CRP (28.9 mg/L), LDH (333 U/L), and ferritin (198.5 µg/L). Severe andcritical disease occurred in 17.5% of cases, with 43% requiring oxygen therapy. In descriptive/univariate analyses, ICU transfer was more frequent among patients with hypoxemia (SaO2 < 90%) and higher CRP, D-dimer, vomiting and ferritin. In a Firth penalized logistic regression model (rare-event setting), endocrine/metabolic comorbidity showed a directionally consistent association with ICU transfer; gastrointestinal comorbidity signals were not interpretable because of extremely small cell counts. Conclusions: Younger adults usually present with mild to moderate COVID-19; however, a substantial minority develop severe illness. Hypoxemia and elevated inflammatory and coagulation markers were consistently associated with worse outcomes. Endocrine/metabolic comorbidity showed the most consistent association with transfer to ICU in this cohort, although all comorbidity estimates should be interpreted cautiously, given the small number of events.

30 January 2026

Background/Objectives: Viral gastroenteritis leads to a broad range of hospitalization costs globally in children, depending on the region. To our knowledge, no recent studies have examined the hospitalization cost associated with viral gastroenteritis in Romania. The aim of this study is to determine the direct hospitalization cost of community-acquired viral gastroenteritis (rotavirus, adenovirus and norovirus) in children admitted to Children’s Clinical Hospital of Brașov, Romania, for one year. Methods: All children aged 0–60 months hospitalized for a stool sample positive for rotavirus, adenovirus or norovirus during January 2023 and December 2023 were included in this study. Hospital-acquired gastroenteritis, gastrointestinal coinfections or children with acute coinfection were excluded. The stool specimens were tested using the immunochromatography method. Results: Out of the total of 282 children, 218 children presented rotavirus gastroenteritis, 35 children presented adenovirus gastroenteritis and 29 children presented norovirus gastroenteritis. Regarding patient characteristics, a higher proportion of boys than girls was observed in all three comparison groups, the average age for children with rotavirus was 22.2 months vs. norovirus and adenovirus, and children presented an average age of 16.4 months. Average hospitalization length of stay for rotavirus was 4.64 (±1.95) days, for adenovirus it was 4.54 (±1.52) days and for norovirus it was 4.75 (±1.93) days. Direct hospitalization costs did not differ between rotavirus, adenovirus, and norovirus infections (Kruskal–Wallis H(2) = 0.145, p = 0.930). Conclusions: In this single-center study, rotavirus remained the most frequent cause of viral gastroenteritis requiring hospitalization in young children, followed by adenovirus and norovirus. Although the average length of stay was similar across groups, hospitalization costs varied, with rotavirus-associated cases showing the highest mean expenses and widest cost variability.

19 January 2026

Background: Thiabendazole (TBZ), a benzimidazole with established antifungal and anthelmintic properties, has also been reported to exert antiangiogenic effects relevant to tissue remodeling and chronic inflammatory microenvironments. The present study examined how manganese coordination and cyclodextrin modify the dissolution behavior and endothelial activity of TBZ. Methods: Antiangiogenic potential was assessed through a human umbilical vein endothelial cells (HUVECs) scratch-wound migration assay. Dissolution profiles of TBZ, manganese–thiabendazole (MnTBZ), and MnTBZ/monochlorotriazynil-β-cyclodextrin (MCT-β-CD) formulation were evaluated under biorelevant pH conditions (1.2, 4.5, 6.8, 7.4) using the paddle method. Results: TBZ displayed a more rapid and extensive dissolution at pH 1.2, compared to MnTBZ. Partial dissociation at pH 4.5 modestly improved TBZ availability, while dissolution remained minimal at neutral pH. MCT-β-CD enhanced the solubility of MnTBZ at pH ≥ 6.8. In agreement with these profiles, TBZ exerted the strongest inhibition of endothelial migration, followed by MnTBZ/MCT-β-CD and MnTBZ. Conclusions: Manganese coordination and cyclodextrin formulation modulate both the dissolution behavior and endothelial migration-inhibitory activity of TBZ, suggesting that such formulation approaches may influence the delivery-related and functional properties of benzimidazole derivatives.

22 December 2025

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Germs - ISSN 2248-2997