Pandemic

A disease outbreak that spreads rapidly around the world.

Influenza

An infection of the lungs and airways caused by a virus and easily spread from person to person.

Seasonal Flu

A common form of influenza that spreads each winter. Yearly flu shots can help to protect people from becoming infected.

Avian Flu

Also called “Bird Flu”, this is a type of flu that affects poultry and wild birds. Humans can get this type of flu through close contact with infected birds. It cannot be spread from person to person.