During the coronavirus disease 2019 (Covid-19) pandemic, the emergence of the BA.1, BA.2, and BA.3 sublineages of the B.1.1.529 (omicron) variant of severe acute respiratory syndrome coronavirus 2 ...

The World Health Organisation (WHO) has said it is tracking several sublineages of Covid variant Omicron, including BA.1, BA.1.1, BA.2, and BA.3. The global health body is also looking at real-world ...

In a recent study published in the journal Nature, researchers investigated the receptor affinity and antigenicity of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron BA.2.86. The ...

Time course for the evolution of significant SARS-CoV-2 variants, note the considerable divergence of the Omicron variants from all other variants, branching off from other variants as early as March ...

Three new and highly transmissible "offspring" of Omicron's BA.2 subvariant have been detected in India. Over the last 10 days, some 298 cases of BA.2.76 have been identified in India, followed by 216 ...

Panel A shows the mutations of the omicron BA.1 and BA.2 sublineages in the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike protein. Panel B shows neutralizing antibody titers that ...

The World Health Organization has released a new report on Omicron sub-variant BA.2 which shows the strain accounted for 21.5% of all new Omicron cases analyzed worldwide in the first week of February ...

Far from concluding, the Covid pandemic seems to be picking up speed with new variants. The BA.5 variant is spreading rapidly in Europe and North America, potentially infecting as many or more people ...

The rapid outbreak of the severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) has resulted in the coronavirus disease 2019 (COVID-19) pandemic. Since its emergence in 2019, SARS-CoV-2 has ...

The omicron subvariant BA.2.12.1 is poised to become dominant in the US, currently accounting for an estimated 36.5 percent of all US SARS-CoV-2 cases, according to the latest estimates released ...