What does flu mean?
An infectious disease caused by the influenza virus, characterized by fever, cough, and muscle aches. It is highly contagious and can be spread through the air when an infected person talks, coughs, or sneezes.
Example
"She had the flu for a week and was feeling miserable."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.