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Risk factors
By Mayo Clinic staffIf you've traveled to an area where lots of people are affected by swine flu H1N1, you may have been exposed to the virus, particularly if you spent time in large crowds.
Swine farmers and veterinarians have the highest risk of true swine flu because of their exposure to pigs.
References
- Centers for Disease Control and Prevention. Swine influenza A (H1N1) infection in two children — Southern California, March-April 2009. Morbidity and Mortality Weekly Report. 2009;58:400. http://www.cdc.gov/mmwr/preview/mmwrhtml/mm5815a5.htm. Accessed Aug. 18, 2010.
- World Health Organization. World now at the start of 2009 influenza pandemic. Statement to the press by WHO Director-General Margaret Chan. http://www.who.int/mediacentre/news/statements/2009/h1n1_pandemic_phase6_20090611/en/index.html. Accessed Aug. 18, 2010.
- World Health Organization. H1N1 in post-pandemic period. Director-General's opening statement at virtual press conference. http://www.who.int/mediacentre/news/statements/2010/h1n1_vpc_20100810/en/index.html. Accessed Aug. 19, 2010.
- Watts G. A/H1N1 influenza virus: The basics. British Medical Journal. 2009;339:b3046. http://www.bmj.com/cgi/content/full/339/jul24_2/b3046. Accessed Aug. 18, 2010.
- Centers for Disease Control and Prevention. Background information on influenza in pigs. http://www.cdc.gov/flu/swineflu/. Accessed Aug. 19, 2010.
- Centers for Disease Control and Prevention. Key facts about influenza (flu) and flu vaccine. http://www.cdc.gov/flu/keyfacts.htm. Accessed Aug. 18, 2010.
- Weber TP, et al. Inactivation of influenza A viruses in the environment and modes of transmission: A critical review. Journal of Infection. 2008;51:361.http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6WJT-4TMRJXX-2&_user=130561&_coverDate=11%2F30%2F2008&_rdoc=1&_fmt=high&_orig=search&_sort=d&_docanchor=&view=c&_acct=C000010878&_version=1&_urlVersion=0&_userid=130561&md5=0b189b39929f3ee6cdc2ca1371fd1e0c. Accessed Aug. 19, 2010.
- Bean B, et al. Survival of influenza viruses on environmental surfaces. Journal of Infectious Diseases. 1982;146:47.
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