Advertisement

New omicron subvariants now dominant in the U.S., raising fears of a winter surge

New COVID variants that are highly immune evasive have overtaken BA.5 to dominate in the U.S. Experts warn this means more reinfections and a possible winter surge. (Getty Images)
New COVID variants that are highly immune evasive have overtaken BA.5 to dominate in the U.S. Experts warn this means more reinfections and a possible winter surge. (Getty Images)

Related:

Advertisement

More from WBUR

Listen Live
Close