Flu Facts for People With Cancer and Cancer Survivors

Influenza, commonly referred to as “the flu,” is a contagious illness caused by influenza viruses. The viruses affect the respiratory system (the organs involved in breathing) and often cause symptoms such as fever, cough, sore throat, stuffy or runny nose, body aches, chills, fatigue, and headache. In addition, some people may experience vomiting and/or diarrhea.

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