Thursday we told you flu was widespread in 44 states. Now the Centers for Disease Control says it's widespread in 49, sparing only Florida.
If you get the flu you may not know which strain hit you, but here's how you know if it is a flu bug.
"It's a sudden onset severe illness, high fever, usually 102, 103 with headache, cough, and respiratory congestion. You feel like you've been run over by a truck," said Michael Richardson, M.D, internal medicine.
Since the flu vaccine is not working for most people this year, the CDC says your best protection is a little soap and water and a lot of hand washing.