Commonly called the flu, it is a viral disease which infects the respiratory system. It is caused when viruses infect the respiratory system.
Symptoms of Influenza include congestion, fever, headaches, muscle aches, and fatigue.
The best way to prevent influenza is to be vaccinated, and avoid germs and sick people. The best way to treat Influenza is to take Antiviral Drugs.
Credits:
Created with images by NIAID - "H1N1 Flu Virus" • SteveRaubenstine - "beaver pond wildlife" • likeaduck - "Squirrel" • yve_81 - "Wombat"