Pandemic Influenza

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This site provides general information and answers to frequently asked questions on pandemic and avian influenza and specific information for healthcare providers; what is being done in San Diego County; a link to the local, state, and federal Pandemic Influenza Response Plans; and other links and resources.

Avian influenza (H5N1) - commonly called "bird flu" - is an infection caused by influenza viruses that occur naturally in birds. At this time, it is uncertain whether the H5N1 virus currently circulating in birds will lead to a global disease outbreak (pandemic) in humans.

An influenza pandemic is a global outbreak of disease that occurs when a new influenza A virus appears or "emerges" in the human population, causes serious illness, and then spreads easily from person to person worldwide.