… than oropharyngeal swabs in COVID-19 patients. … COVID-19 unlike SARS replicates in the
upper respiratory tract which peaks at day five of infection.Viral uptake in the upper respiratory …

… The lower sensitivity in this study might be due to performing the study in a screening
center, the absence of patients with severe COVID-19 and so, clinical heterogeneity of …

… COVID-19, we conducted a cohort study of two groups of suspected patients at two COVID-19
… the largest hospitals in the area, and has admitted a large number of COVID-19 patients [ …

… from respiratory samples of patients with COVID-19 during the three months of maximum
incidence of COVID-19 in the … in COVID-19 patients with risk factors to develop CAPA. …

… The collection of invasive respiratory samples in COVID patients was restricted to prevent
aerosol-generating procedures that pose a significant risk to health care staff and …

… respiratory samples into human airway epithelial cells, Vero E6 and Huh7 cell lines, led to
the isolation of a novel respiratory … of patients with COVID-19 were found to be IgG positive 19 …

… COVID-19 patients with anosmia between March 1st and March 17th, 2020. We used
SARS-CoV-2 real time PCR in respiratory samples … of 114 patients (47%) with confirmed …

… Endotracheal aspirate samples were also collected and cultured on different media to support
the growth of the bacteria. After incubation, formed colonies on the media were identified …

… To understand the cytokine profile in BALF from the COVID-19 patients, we assigned DEGs
… according to the increasing days between sampling and symptom onset. Expression levels …

… surveillance of 408 patients presenting with pneumonia and acute respiratory infections
at … these patients. In addition, since the sampling took place before the outbreak of COVID-19, …