For the latest information on influenza vaccination, visit the
Centers for Disease Control and Prevention website at
http://www.cdc.gov/flu/other%5Fflu.htm What Is Influenza?
Influenza (also called the flu ) is an upper respiratory
infection. It is caused by the influenza virus. Flu strains
differ from one year to the next. There are two main kinds that
infect humans: - Type A - Type B You can get the flu when you
breathe in droplets from someone infected with the virus. It can
also be spread by touching a contaminated surface and then
putting your hand to your mouth or nose. Each year (usually
beginning in October), the flu spreads around the world. Anyone
can get it. Some people are at a higher risk of complications.
People at higher risk of complications include: - Being younger
than 5 years old - Being 65 years old and older Having certain
conditions, including: - Chronic lung condition (eg, asthma ) -
Cardiovascular disease - Kidney or liver disease - Neurological,
blood, or metabolic condition (eg, diab