MMWR Vol. 58 / Dispatch

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Title: MMWR Vol. 58 / Dispatch

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	MMWR Dispatch Volume 58, Dispatch April 21, 2009

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Swine Influenza A (H1N1) Infection in Two Children Southern California, March--April 2009
CDC has determined that two cases of febrile respiratory illness in children who resided in adjacent counties in southern California were caused by infection with a swine influenza A (H1N1) virus. The viruses from the two cases are closely related and contain a unique combination of gene segments not previously reported among swine or human influenza viruses. Neither child had contact with pigs; the source of the infection is unknown. Investigations to identify the source and determine whether others have been infected with similar swine influenza viruses are ongoing.
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Department of Health and Human Services
Centers for Disease Control and Prevention

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