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FluView : 2014-2015 Influenza Season ; Week 7 ending February 21, 2015
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  • Description:
    Synopsis: During week 7 (February 15-21, 2015), influenza activity continued to decrease, but remained elevated in the United States.

    o ViralSurveillance:Of18,505specimenstestedandreportedbyU.S.WorldHealth Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories during week 7, 2,236 (12.1%) were positive for influenza.

    o PneumoniaandInfluenzaMortality:Theproportionofdeathsattributedtopneumoniaand influenza (P&I) was above the epidemic threshold.

    o Influenza-associatedPediatricDeaths:Sixinfluenza-associatedpediatricdeathswere reported.

    o Influenza-associatedHospitalizations:Acumulativeratefortheseasonof51.7 laboratory-confirmed influenza-associated hospitalizations per 100,000 population was reported.

    o OutpatientIllnessSurveillance:Theproportionofoutpatientvisitsforinfluenza-likeillness (ILI) was 3.0%, above the national baseline of 2.0%. All 10 regions reported ILI at or above region-specific baseline levels. Puerto Rico and 11 states experienced high ILI activity; three states experienced moderate ILI activity; 16 states experienced low ILI activity; New York City and 20 states experienced minimal ILI activity; and the District of Columbia had insufficient data.

    o GeographicSpreadofInfluenza:ThegeographicspreadofinfluenzainGuamand20 states was reported as widespread; Puerto Rico, the U.S. Virgin Islands, and 25 states reported regional activity; and the District of Columbia and five states reported local activity.

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