3 Main Types of Influenza Explained | H1N1 | SARS | Spanish Flu - 0 views
-
machoideas on 27 Aug 20Influenza, also known as the flu, is an infectious disease that is caused by the RN viruses, from the influenza virus's family. Fever, sore throat, chills, muscle pain, tiredness and general discomfort are among the most common symptoms of this infection. This disease may be fatal, especially for the young. There are various types of influenza and are grouped according to their genera.