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Background: pneumonia (PJP) is an invasive fungal infection (IFI) that occurs mainly in immunocompromised hosts. After observing a high prevalence of PJP as a complication of COVID-19 in immunocompetent patients, we conducted a study to evaluate the prevalence of colonization with PCR on oral washing samples (OWS) among non-immunocompromised and non-critical patients admitted with COVID-19 pneumonia at our university hospital.
Methods: All patients over 18 years of age admitted to the Infectious Diseases Unit for SARS-CoV-2 pneumonia between July 2021 and December 2022 were included. Patients undergoing invasive mechanical ventilation or ECMO, those with risk factors for developing PJP, and those receiving prophylaxis for were excluded. Samples were collected by gargling with 10 mL of 0.9% NaCl on day 14 of the hospital stay or at discharge.
Results: Of 290 screened patients, 59 (20%) met the inclusion criteria and were enrolled. Only 1 of 59 patients (1.7%) tested positive for detection with PCR, and the same patient was the only one to develop PJP in the follow-up period.
Conclusions: Our results are in line with the previous findings of other studies that confirmed a very low prevalence of colonization on OWS in the immunocompetent population. Despite the limitations of the study, the fact that the only patient who tested positive for was the only one in our cohort to develop PJP leads us to reflect on the role of this non-invasive sample in predicting the risk of PJP in patients with COVID-19.
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http://dx.doi.org/10.3390/microorganisms11122839 | DOI Listing |
Int J Biol Macromol
September 2025
Department of Gastroenterology, The Affiliated Hospital of Qingdao University, Qingdao, 266001, PR China. Electronic address:
The rising prevalence of hyperuricemia and associated complications present a substantial global health challenge. Fucoidan, a natural sulfate-rich polysaccharide degraded by gut microbiota, is under investigation as a potential therapeutic agent for reducing uric acid levels. However, the precise mechanism underlying its effects remains unclear.
View Article and Find Full Text PDFMicrobiol Res
September 2025
Department of Gastroenterology and Hepatology, Tianjin Medical University General Hospital, Tianjin Institute of Digestive Diseases, Tianjin Key Laboratory of Digestive Diseases, Tianjin, China. Electronic address:
Intractable functional constipation (IFC), a severe form of chronic constipation characterized by slow transit and resistance to conventional treatments, posed a significant clinical challenge. Here, we identified Lactococcus formosensis (Lf), a Gram-positive bacterium prevalent in IFC patients, as a novel contributor to intestinal motility impairment. Clinically, IFC patients exhibited increased colonic mucosal colonization of Lf and significant myenteric neuronal loss and pyroptosis, particularly in excitatory choline acetyltransferase (ChAT) neurons, but not inhibitory neuronal nitric oxide synthase (nNOS) neurons.
View Article and Find Full Text PDFImmun Inflamm Dis
September 2025
Department of Conservative Dentistry and Endodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, Tamil Nadu, India.
Objectives: The current systematic review and meta-analysis aims to assess the safety and immunogenicity of the anticaries vaccines currently available.
Materials And Methods: Electronic searches of PubMed, Scopus, Web of Science and Science Direct were performed. Studies assessing the safety and effectiveness of the anticaries vaccination, including the dose, plasmids, serum IgG and IgA levels after immunization, were included.
Hidden within host cells, the endosymbiont is the most prevalent bacterial infection in the animal kingdom. Scientific breakthroughs over the past century yielded fundamental mechanisms by which controls arthropod reproduction to shape dynamic ecological and evolutionary trajectories. However, the structure and spatial organization of symbiont machineries that underpin intracellular colonization and orchestrate maternal inheritance remain unknown.
View Article and Find Full Text PDFPneumonia (Nathan)
September 2025
Faculty of Medicine, Institute for Life Sciences, University of Southampton, Southampton, UK.
Background: The ongoing burden of mortality and morbidity associated with infections requires that monitoring of carriage epidemiology continues. Here, we present data from the annual, cross-sectional surveillance study in Southampton UK on serotype epidemiology and diversity, as well as carriage of other frequent colonisers of the respiratory tract in over 7000 children over a period of seventeen years (2006–2023).
Methods: Children were recruited from two sites: Site 1 - Southampton General Hospital, administered by University Hospital Southampton (UHS) NHS Foundation Trust and Site 2– a collection of community health care facilities within the Solent NHS Trust region.