Omicron subvariant BA.2 is spreading fast. Should we worry?

Omicron is more transmissible than delta, the variant that became globally dominant in the middle of last year, and the new subvariant is especially infectious

Related Keywords

, Omicron Subvariant , Omicron Subvariant Ba 2 , Omicron Variant Worry , Omicron Subvariant Worry , Stealth Omicron ,