In late 2020, after circulating for almost a year in the human population, severe acute
respiratory syndrome coronavirus 2 (SARS-CoV-2) exhibited a major step change in its …

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 …

Monoclonal antibodies (mAbs) offer a treatment option for individuals with severe COVID-19
and are especially important in high-risk individuals where vaccination is not an option …

The COVID-19 pandemic has created significant concern for everyone. Recent data from
many worldwide reports suggest that most infections are caused by the Omicron variant and …

Abstract The SARS-CoV-2 Omicron variant is more immune evasive and less virulent than
other major viral variants that have so far been recognized,,,,,,,,,,–. The Omicron spike (S) …

Background There is an urgent public health need to evaluate disease severity in adults
hospitalised with Delta and Omicron SARS-CoV-2 variant infections. However, limited data …

Mortality Risk Among Patients Hospitalized Primarily for COVID-19 During the Omicron and
Delta Variant Pandemic Periods — United States, April 2020–June 2022 | MMWR Skip directly …

Omicron lineages BA. 4 and BA. 5 drove a fifth wave of COVID-19 cases in South Africa.
Here, we use the presence/absence of the S-gene target as a proxy for SARS-CoV-2 …

The BA. 2 sublineage of the SARS-CoV-2 Omicron variant has become dominant in most
countries around the world; however, the prevalence of BA. 4 and BA. 5 is increasing rapidly …

Background The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Delta
variant has been replaced by the highly transmissible Omicron BA. 1 variant, and …