Summer Covid wave ‘building’ as FLiRT variant spreads and vaccine drive falters

Hospitals saw the number of cases rise by a quarter in a week due to the more aggressive strains of the virus, also known as KP.2 and KP.3, which caused a significant spike in cases in the US. Hospitals saw the number of cases rise by a quarter in a week due to the more aggressive strains of the virus, also known as KP.2 and KP.3, which caused a significant spike in cases in the US.