Injury lungs, degraded muscles: Why flu attains you feel so bad

Every year, from 5 to 20 percent of the people in the United States will become infected with influenza virus. An average of 200,000 of these people will require hospitalization and up to 50,000 will die. Older folksover the age of 65 are especially susceptible to influenza infection, since the immune system becomes weaker with…