Background: The outbreak of coronavirus disease 2019 (COVID-19) caused by severe acute
respiratory syndrome coronavirus 2 (SARS-CoV-2) has posed great threat to human health …

Background We observe changes of the main lymphocyte subsets (CD16+ CD56, CD19,
CD3, CD4, and CD8) in COVID-19-infected patients and explore whether the changes are …

Abstract Aims Coronavirus disease 2019 (COVID-19) is a novel viral infection threatening
worldwide health as currently there exists no effective treatment strategy and vaccination …

Importance An ongoing outbreak of COVID-19 has exhibited significant threats around the
world. We found a significant decrease of T lymphocyte subsets and an increase of …

Abstract Background Coronavirus disease 2019 (COVID-19) is posing a huge threat to
human health worldwide. We aim to investigate the immune status of CD8+ T and NK cells …

Background Elucidating the role of T cell responses in COVID-19 is of utmost importance to
understand the clearance of SARS-CoV-2 infection. Methods 30 hospitalized COVID-19 …

Objectives We hypothesized that immune response may contribute to progression of
coronavirus disease-19 (COVID-19) at the second week of illness. Therefore, we compared …

Abstract Background In December 2019, coronavirus 2019 (COVID-19) emerged in Wuhan
and rapidly spread throughout China. Methods Demographic and clinical data of all …

The novel contagious primary atypical pneumonia epidemic, which broke out in Wuhan,
China, in December 2019, is now formally called Coronavirus Disease 2019 (COVID-19) …

Abstract Background SARS-CoV-2-caused coronavirus disease (COVID-19) is posing a
large casualty. The features of COVID-19 patients with and without pneumonia, SARS-CoV …