[Composition of oropharyngeal microbiota in patients with COVID-19 of different pneumonia severity].

Aim: To identify features of the taxonomic composition of the oropharyngeal microbiota of COVID-19 patients with different disease severity.

Materials And Methods: The study group included 156 patients hospitalized with confirmed diagnosis of COVID-19 in the clinical medical center of Yevdokimov Moscow State University of Medicine and Dentistry between April and June 2021. There were 77 patients with mild pneumonia according to CT (CT1) and 79 patients with moderate to severe pneumonia (CT2 and CT3).

[Prevalence and prognostic value of gastroenterological manifestations of COVID-19: data from the Russian University Clinic].

Aim: Assessment of the prevalence and prognostic value of gastroenterological manifestations in patients with COVID-19.

Materials And Methods: A single-center retrospective cohort study was carried out. Only cases with laboratory confirmed detection of SARS-CoV-2 virus RNA using polymerase chain reaction in oro-/nasopharyngeal smear samples were subject to analysis.