Persistent severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infections have
been reported in immune-compromised individuals and people undergoing immune …

The initial severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) Omicron
subvariants, BA. 1 and BA. 2, are being progressively displaced by BA. 5 in many countries …

The first dominant SARS‐CoV‐2 Omicron variant BA. 1 harbours 35 mutations in its Spike
protein from the original SARS‐CoV‐2 variant that emerged late 2019. Soon after its …

Virus genome sequence variants that appear over the course of an outbreak can be
exploited to map the trajectory of the virus from one susceptible host to another. While such …

Summary Background Prolonged SARS-CoV-2 infections in people who are
immunocompromised might predict or source the emergence of highly mutated variants. The …

The emergence of the SARS-CoV-2 Omicron variant poses a striking threat to human
society. More than 30 mutations in the Spike protein of the Omicron variant severely …

Recent months have seen surges of SARS-CoV-2 infection across the globe along with
considerable viral evolution. Extensive mutations in the spike protein of variants B. 1.1. 7 …

Dear Editor, SARS-CoV-2 inevitably evolves toward being more robust at multiplying. In the
herd immunity era, mutations allowing SARS-CoV-2 to bypass the immunity acquired from …

Since the first case of COVID-19 in December 2019 in Wuhan, China, SARS-CoV-2 has
spread worldwide and within a year and a half has caused 3.56 million deaths globally. With …

SARS-CoV-2 is continuously evolving. The Omicron subvariant BA. 2.86, with> 30 mutations
in its spike (S) protein compared with its predecessor strain BA. 2, was expected to quickly …