Influenza, a respiratory viral infection, is a highly contagious disease that can cause fever, cough, runny nose, congestion, fatigue, and muscle aches. According to the Centers for Disease Control and Prevention (CDC), influenza affects 5%-20% of the US population annually, causing about 36,000 deaths due to complications. In 2019, 9.7 million cases of influenza were reported in the US alone....
Arabic
Français
Español
Português
Deutsch
Türkçe
Dutch
Italiano
Russian
Romaian