Answer:
Influenza, commonly called "the flu", is an infectious disease caused by influenza viruses. Symptoms range from mild to severe and often include fever, runny nose, sore throat, muscle pain, headache, coughing, and fatigue.
Symptoms: Fever, runny nose, sore throat,
muscle and joint pain, headache, coughi...
Other names: Flu, the flu, Grippe
Prevention: Hand washing, influenza vaccine, surgical masks
Causes: Influenza viruses