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Influenza (Flu) | Swine Influenza (Flu)

Top of the Ticket found this 4/26/2009 on cdc.gov

U.S. Human Cases of Swine Flu Infection (As of April 30, 2009, 10:30 AM ET) In response to an intensifying outbreak in the United States and internationally caused by a new influenza virus of swine origin, the World Health Organization raised the worldwide pandemic alert level to Phase 5 on ...