The omicron “sister variants” BA.4 and BA.5 now account for more than 90 percent of confirmed cases in the U.S., according to the CDC’s latest variant proportion estimates.
Category: Public Health
Boost Now or Wait? Many Wonder How Best to Ride Out Covid’s Next Wave
As the country faces a rise in new infections driven by the omicron BA.5 subvariant of the coronavirus, about 70% of people 50 and older who got a first covid-19 booster shot haven’t received the recommended second one, according to the Centers for Disease Control and Prevention. Many undervaccinated Americans have lost interest, and others aren’t sure whether to get boosted again now or wait for vaccines reformulated to target newer strains of the virus.