Covid cases climb in Europe as restrictions ease and BA.2 subvariant spreads.
Lawrence Young, a virologist at the University of Warwick in England, said Europe's rise in infections is likely to be a result of the spread of the omicron subvariant known as BA.2, paired with waning immunity and the relaxation of mitigation policies.
"The U.S. certainly needs to take note and consider the impact of yet another more transmissible variant," Young said.
https://www.nbcnews.com/health/healt...t-us-rcna19891