Influenza 2024 Symptoms. Influenza b is a type of flu virus that can cause fever, coughing, body aches, and other symptoms. Find out how to treat flu symptoms at home and when to use antiviral.
Learn how to recognize the signs and symptoms of influenza (flu), a contagious respiratory illness that can cause fever, cough, sore throat, and more. Learn about seasonal influenza, a contagious disease with respiratory symptoms caused by influenza virus.