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
According to the National Institute of Allergy and Infectious Diseases, 50,000 new cases of HIV infections occur annually. The chickenpox vaccine has decreased the frequency of new cases of chickenpox in all age groups, especially in children ages 1 to 4 years.