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 emergence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has
caused a devastating pandemic. Although most people infected with SARS-CoV-2 develop …

The emergence of the Omicron variant of SARS-CoV-2 is an urgent global health concern. In
this study, our statistical modelling suggests that Omicron has spread more rapidly than the …

The recent emergence of SARS-CoV-2 Omicron (B. 1.1. 529 lineage) variants possessing
numerous mutations has raised concerns of decreased effectiveness of current vaccines …

The current pandemic of COVID-19 is fueled by more infectious emergent Omicron variants.
Ongoing concerns of emergent variants include possible recombinants, as genome …

SARS-CoV-2 variants acquire mutations in the spike protein that promote immune evasion
and affect other properties that contribute to viral fitness, such as ACE2 receptor binding and …

Mutations in the SARS-CoV-2 genome could confer resistance to pre-existing antibodies
and/or increased transmissibility. The recently emerged Omicron subvariants exhibit a …

SARS-CoV-2 is a zoonotic virus with documented bi-directional transmission between
people and animals. Transmission of SARS-CoV-2 from humans to free-ranging white-tailed …

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has evolved variants with
substitutions in the spike receptor-binding domain (RBD) that affect its affinity for angiotensin …

We report that severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Delta spike
mutation P681R plays a key role in the Alpha-to-Delta variant replacement during the …