News Doctors warn flu season is ‘fierce’ and is getting worse. Here’s what to know. December 6, 2022Adrianna Rodriguez, USA TODAYComments Off on Doctors warn flu season is ‘fierce’ and is getting worse. Here’s what to know. Amid the "tripledemic" of influenza, RSV and COVID, doctors say the flu is getting worse. Here's what to know about cases, symptoms and the vaccine.