Swine Influenza (Flu)

Swine Influenza (swine flu) is a respiratory disease of pigs caused by type A influenza that regularly cause outbreaks of influenza among pigs. Swine flu viruses do not normally infect humans, however, human infections with swine flu do occur, and cases of human-to-human spread of swine flu viruses has been documented. See General Information about Swine Flu.

From December 2005 through February 2009, a total of 12 human infections with swine influenza were reported from 10 states in the United States. Since March 2009, a number of confirmed human cases of a new strain of swine influenza A (H1N1) virus infection in the U.S. and internationally have been identified. An investigation into these cases is ongoing. For more information see Human Swine Flu Investigation.

General Information about Swine Flu
Questions and answers and guidance for treatment and infection control

Human Swine Flu Investigation April 26, 2009 11:30 ET
Information about the investigation of human swine flu in the U.S.

CDC Health Advisory April 25, 2009, 3:00 EST (03:00 PM EDT)
Investigation and Interim Recommendations: Swine Influenza (H1N1)
Distributed via Health Alert Network

Swine Flu website last updated Sunday, April 26, 2009 04:45 PM ET

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