Warning signs for US as Covid cases rise in Europe

The US must prepare now for the next surge or variant, whether it's BA.2 or a different one, experts say

Cases and deaths from Covid-19 have fallen in the US, but warning signs and rises in other countries are prompting experts to take future and existing variants of the virus seriously - and they are warning that America has not yet reached the endemic phase.

It's important to prepare now for the next surge or variant, whether that's BA.2 or a different one, experts say.