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2008-2009 Influenza Season Week 23 ending June 13, 2009
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June 19, 2009
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Description:All data are preliminary and may change as more reports are received.
On June 11, the World Health Organization raised the pandemic alert level from Phase 5 to Phase 6 indicating that an influenza pandemic is underway. The novel influenza A (H1N1) virus now will be referred to as “pandemic H1N1 influenza virus.”
Synopsis: During week 23 (June 7-13, 2009), influenza activity decreased in the United States, however, there were still higher levels of influenza-like illness than is normal for this time of year.
External_F0923.pdf
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Volume:2009
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Issue:23
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