Influenza puts stress on your body and can lead to serious conditions like pneumonia or stroke
Untreated, some infections can be contagious for up to four weeks!
Find out who needs protection the most
Understand the symptoms and causes of these respiratory infections
Cleveland Clinic is a non-profit academic medical center. Advertising on our site helps support our mission. We do not endorse non-Cleveland Clinic products or services. Policy
Here's when to see a doctor about that persistent cough
When to seek medical attention + tips for avoiding it in the first place
When symptoms call for a trip to the doctor