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Risk factors for Staphylococcus aureus colonization in a general emergency department patient cohort - results of an observational cohort study.
Biomarkers
January 2025
Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Division of Emergency Medicine, Campus Virchow-Klinikum and Campus Charité Mitte, Berlin, Germany.
Background: Testing for (SA) colonization in emergency department (ED) patients may guide prevention strategies against hospital acquired infections (HAI). This study determined the prevalence of SA carriers in a general ED population, characterized the population, and identified predictors for SA colonization.
Methods: A prospective monocentric observational cohort study in a tertiary care hospital collected nasopharyngeal swabs in 1,000 adult patients.
Emerging of non-vaccine Streptococcus pneumoniae serotypes colonizing the nasopharynx of children under the age of five years in the 13-vallent pneumococcal conjugate vaccine era in Moshi district, Tanzania. A short communication.
Vaccine
January 2025
Section Pediatric Infectious Diseases, Laboratory of Medical Immunology, Radboud Institute for Molecular Life Sciences, Radboud Center for Infectious Diseases, Radboud University Medical Center, Nijmegen, the Netherlands.
In this study, we describe S. pneumoniae serotype distribution before and after PCV13 rollout in Tanzania. We serotyped S.
View Article and Find Full Text PDFMucosal immunity elicited by a human-Fcγ receptor-I targeted intranasal vaccine platform enhances resistance against nasopharyngeal colonization of Streptococcus pneumoniae and induces broadly protective immunity against respiratory pathogens.
Vaccine
January 2025
Department of Immunology and Microbial Disease, Albany Medical College, 47 New Scotland Ave, Albany, NY 12208, United States.
The development of safe and effective mucosal vaccines are hampered by safety concerns associated with adjuvants or live attenuated microbes. We previously demonstrated that targeting antigens to the human-Fc-gamma-receptor-I (hFcγRI) eliminates the need for adjuvants, thereby mitigating safety concerns associated with the mucosal delivery of adjuvant formulated vaccines. Here we evaluated the role of the route of immunization in the mucosal immunity elicited by the hFcγRI-targeted vaccine approach.
View Article and Find Full Text PDFA preliminary evaluation of a fast, low-cost, and high-throughput nucleic acid extraction method for bacterial microbiota profiling in low-microbial biomass samples.
Sci Rep
January 2025
Department of Microbiology, Division of Laboratory Medicine, Oslo University Hospital, 0372, Oslo, Norway.
The respiratory tract is colonized with low-density microbial communities, which have been shown to impact human respiratory health through microbiota-host interactions. However, a lack of fast and cost-effective nucleic acid extraction method for low-microbial biomass samples hinders investigation of respiratory microbiota. Here, we performed a pilot study to assess the suitability of the NAxtra nucleic acid extraction protocol for profiling bacterial microbiota in respiratory samples.
View Article and Find Full Text PDFNasopharyngeal carriage of Streptococcus pneumoniae among children and their household members in southern Mozambique five years after PCV10 introduction.
Vaccine
January 2025
Respiratory Diseases Branch, Division of Bacterial Diseases, Centers for Disease Control and Prevention, Atlanta, United States.
Background: Streptococcus pneumoniae is an important cause of pneumonia, sepsis, and meningitis, which are leading causes of child mortality. Pneumococcal conjugate vaccines (PCVs) protect against disease and nasopharyngeal colonization with vaccine serotypes, reducing transmission to and among unvaccinated individuals. Mozambique introduced 10-valent PCV (PCV10) in 2013.
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