Key facts for people exhibiting pigs at fairs
Corporate Authors:National Center for Immunization and Respiratory Diseases (U.S.). Influenza Division/
Description:Pigs may be infected with swine influenza viruses that are different from human flu viruses. Swine flu viruses spread among pigs and – while rare – they can spread from pigs to people too. When that happens, these viruses are called variant viruses and are designated with the letter “v” after the virus subtype. Human infections with H1N1v, H3N2v and H1N2v viruses have been detected in the United States.
Spread of swine flu viruses from a pig to a person is thought to happen in the same way that human flu viruses spread; mainly through droplets when infected pigs cough or sneeze. This has happened in different settings, especially at fairs where pigs from many places come in close contact with each other and with people.
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