There are four types: A, B, C, and D. Only influenza A, B, and C affect humans. Flu can be mistaken for viral respiratory illnesses like the common cold and COVID because they cause similar symptoms.

As dangerously cold temperatures are in the forecast next week in Middle Tennessee, the National Weather Service will likely issue weather alerts tied to the extreme cold.

NASHVILLE, Tenn. (WKRN) — As dangerously cold temperatures are in the forecast next week, the National Weather Service will likely issue weather alerts tied to this extreme cold weather.