What Causes the Flu?
Influenza, or the flu, is a viral infection that attacks the lungs, nose, and throat. It’s a contagious respiratory illness with symptoms ranging from mild to severe.
Original Article Source Credits: Healthline , https://www.healthline.com/
Article Written By: Valencia Higuera
Original Article Posted on: September 8, 2020
Link to Original Article: https://www.healthline.com/health/flu-causes