Seasonal Influenza
Seasonal influenza is also known as the flu. It is a common respiratory illness. Getting an annual flu shot is an effective way to avoid catching seasonal influenza. More...

Avian Influenza, also known as Bird Flu
Avian influenza normally occurs in wild birds. But hundreds of people in Asia and Europe have been infected with a specific type of bird flu after direct contact with poultry. There is no proof that it spreads easily between people. More…

Pandemic Influenza
Pandemic influenza is a virulent human flu that causes a global outbreak of serious illness in humans. No one knows exactly when the next pandemic influenza will occur, but health officials want people to know it’s possible, and to be prepared. More…