BA4

SARS-CoV-2 BA.1 and BA.2 breakthrough infections likely protect against BA.4 infection News-Medical.NetCovid-19 of ‘natural origin’ or ‘lab leak’? A tale of two theories The Indian ExpressHuman antibodies found that can block multiple…

We are in the midst of another COVID-19 wave driven by the highly contagious BA.4 and BA.5 variants, which have a mutation in the spike protein of the coronavirus that causes these variants to more easily attach to (and infect)…