Influenza is a viral infection that attacks your respiratory system — your nose, throat and lungs. Influenza, commonly called the flu.
Fever or feeling feverish/chills, Cough, Sore throat,Runny or stuffy nose,Muscle or body aches,Headaches,Fatigue
An average of 1.3 cases per 100,000 population was reported during 1982–1988, compared with an average of 313 cases per 100,000 during 1956–1960.Nevertheless, a resurgence of measles occurred during 1989–1991, again demonstrating the serious medical burden of the disease. More than 55,000 cases, 123 deaths, and 11,000 hospitalizations were reported . Two major causes of this epidemic were vaccine failure among a small percentage of school-aged children who had received 1 dose of measles vaccine and low measles vaccine coverage among preschool-aged children.