#Omicron subvariant BA.2 will likely become dominant worldwide, according to WHO's regional emergency director. Dr Dorit Nitzan said BA.2 won't fade away. "The expected trajectory is that it will become the new dominant variant,” Nitzan said citing Denmark jpost.com/health-and-wel… 
There are more mutations in the receptor-binding domain of BA.2 compared with BA.1, the original #OmicronVariant. The receptor binding domain— RBD—is a short fragment on the viral spike protein that binds to a specific receptor—ACE2—on a host's cell to gain entry.
A look at a model of a coronavirus spike receptor-binding domain (pink) bound to a human cell's ACE2 receptor (purple) news-medical.net/health/What-is…
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