FLiRT subvariants of COVID are increasing. How bad will the California wave be?
As the new FLiRT family of coronavirus subvariants takes hold, early signs point to a summer surge in cases. So…
Winter
A new FLiRT variant of COVID-19 has emerged. This is what you should know
Two new subvariants of COVID-19, collectively dubbed FLiRT, are increasingly outpacing the dominant winter strain ahead of a possible surge…