SAN FRANCISCO -- There's a new "subvariant" of the omicron variant that's been spreading across Europe and the U.S. Preliminary data shows it's more contagious than omicron. Scientist have named it BA ...
SAN FRANCISCO (KGO) -- In the last two weeks, the UK and other parts of Europe are reporting a spike in COVID-19 cases due to an omicron sub-variant called BA.2 which is believed to be 30 % more ...