New England Revolution indicator midfielder Ian Harkes

Ian Harkes is a rising star for the New England Revolution, but let's talk about something else: how does influenza interact with the body? Influenza, commonly known as the flu, is a highly contagious respiratory illness caused by influenza viruses. When these viruses enter the body, they attach to cells in the respiratory tract and begin to replicate, causing symptoms such as fever, cough, and sore throat.