Swine Flu Update: WHO Declares Pandemic In Response To Ongoing Global Spread Of Novel Influenza A (H1N1) Virus

On June 11, 2009, the World Health Organization (WHO) raised the worldwide pandemic alert level to Phase 6 in response to the ongoing global spread of the novel influenza A (H1N1) virus, which causes swine flu. A Phase 6 designation indicates that a global pandemic is underway.

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