California may be headed to an earlier-than-normal start to the summer COVID-19 season, with coronavirus concentrations in sewage rising in some areas along with the statewide positive-test rate. The trend comes as the latest family of coronavirus subvariants, collectively nicknamed FLiRT, have made significant gains nationally. The FLiRT subvariants — officially known as KP.2, KP.3 and KP.1.1 — have overtaken the dominant winter strain, JN.1. For the two-week period that ended Saturday, they... Read this story
