Flu, Pandemic and Avian
Flu attacks the lungs, nose, and throat. Young children, older adults, pregnant women, and people with chronic disease or weak immune systems are at high risk. Symptoms include fever, chills, muscle aches, cough, congestion, runny nose, headaches, and fatigue.
Department of Health and Human Services:
One-stop access to U.S. Government avian and pandemic flu information.