A mutated virus is driving the US into an early flu season, especially on the West Coast - CNN

A mutated virus is driving the US into an early flu season, especially on the West Coast  CNNFlu Season Has Landed Early, and Your Vaccination Is Overdue  Bloomberg.comFlu season is hitting early, doctors recommend vaccinations  WMURDoes an early flu season mean a more severe one?  NewsNationEarly US flu season, current strain may signal risk for younger people; doctors urge shots  Reuters