Influenza
Californians should be aware of a few different types of flu:
Seasonal flu is what many people refer to as āthe flu.ā Seasonal flu happens
every year. It is caused by viruses similar to those already affecting
people.
Bird flu, also known as avian flu, is caused by a virus that affects birds,
both wild and domestic, in many parts of the world. Information on Bird Flu | Avian Influenza (Flu)
Frequently Asked Questions about Avian Influenza | Avian Influenza (Flu)
Pandemic flu happens when a new type of flu virus that people have never had
before spreads around the world.
This section provides you with resources to understand more about the
differences among each type of flu, and what you can do to prepare for and
respond to each.
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