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FluView : 2013-2014 Influenza Season ; Week 11 ending March 15, 2014
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  • Description:
    Synopsis: During week 11 (March 9-15, 2014), influenza activity continued to decrease in the United States. o ViralSurveillance:Of5,650specimenstestedandreportedduringweek11byU.S.World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories, 495 (8.8%) were positive for influenza. o PneumoniaandInfluenzaMortality:Theproportionofdeathsattributedtopneumoniaand influenza (P&I) was below the epidemic threshold. o Influenza-associatedPediatricDeaths:Seveninfluenza-associatedpediatricdeathswere reported. o Influenza-associatedHospitalizations:Aseason-cumulativerateof30.4laboratory- confirmed influenza-associated hospitalizations per 100,000 population was reported. o OutpatientIllnessSurveillance:Theproportionofoutpatientvisitsforinfluenza-likeillness (ILI) was 1.7%, which is below the national baseline of 2.0%. Four of 10 regions reported ILI at or above region-specific baseline levels. One state experienced moderate ILI activity; two states and New York City experienced low ILI activity; 47 states experienced minimal ILI activity, and the District of Columbia had insufficient data. o GeographicSpreadofInfluenza:Thegeographicspreadofinfluenzainfourstateswas reported as widespread; nine states reported regional influenza activity; the District of Columbia and 19 states reported local influenza activity; Puerto Rico, Guam, and 18 states reported sporadic influenza activity, and the U.S. Virgin Islands reported no influenza activity.
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