Due to the failure of virus isolation of the Omicron variant in Vero CCL-81 from the clinical
specimens of COVID-19 cases, an initial in vivo and subsequent in vitro approach was …

The unremitting emergence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-
2) variants necessitates ongoing control measures. Given its rapid spread, the new Omicron …

Since its first discovery, the Omicron variant of severe acute respiratory syndrome
coronavirus 2 (SARS-CoV-2) has evoked another wave of infection and caused global …

The COVID-19 pandemic caused by severe acute respiratory syndrome coronavirus 2
(SARS-CoV-2) continues to disrupt global public health since its first report in December …

The Omicron family of SARS-CoV-2 variants are currently driving the COVID-19 pandemic.
Here we analyzed the clinical laboratory test results of 9911 Omicron BA. 2.2 sublineages …

Summary Background Among the Omicron sublineages that have emerged, BA. 1, BA. 2,
BA. 5, and their related sublineages have resulted in the largest number of infections. While …

Background Globally, as of 23rd May 2022, there have been over 522,000,000 confirmed
cases and more than 6.2 million deaths from COVID-19 (1). On 25 November 2021, South …

Background Currently, as the omicron variant of severe acute respiratory syndrome
coronavirus 2 (SARS-CoV-2) surges amid the coronavirus disease 2019 (COVID-19) …

Since the emergence of the Coronavirus disease 2019 (COVID-19) in Dec 2019, the world
continues to be facing a fierce pandemic characterized by multiple waves at various paces …

Background Elucidating viral dynamics within the host is important for designing public
health measures against SARS-CoV-2, particularly during the early stages of infection when …