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FluView : 2014-2015 Influenza Season ; Week 3 ending January 24, 2015
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  • Description:
    Synopsis: During week 3 (January 18-24, 2015), influenza activity remained elevated in the United States.

    o ViralSurveillance:Of23,339specimenstestedandreportedbyU.S.WorldHealth Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories during week 3, 4,651 (19.9%) were positive for influenza.

    o NovelInfluenzaAVirus:OnehumaninfectionwithanovelinfluenzaAviruswasreported. o PneumoniaandInfluenzaMortality:Theproportionofdeathsattributedtopneumoniaand

    influenza (P&I) was above the epidemic threshold.

    o Influenza-associatedPediatricDeaths:Fiveinfluenza-associatedpediatricdeathswere


    o Influenza-associatedHospitalizations:Acumulativeratefortheseasonof40.5

    laboratory-confirmed influenza-associated hospitalizations per 100,000 population was

    o OutpatientIllnessSurveillance:Theproportionofoutpatientvisitsforinfluenza-likeillness

    (ILI) was 4.4%, above the national baseline of 2.0%. All 10 regions reported ILI at or above region-specific baseline levels. Puerto Rico and 29 states experienced high ILI activity; New York City and seven states experienced moderate ILI activity; six states experienced low ILI activity; eight states experienced minimal ILI activity; and the District of Columbia had insufficient data.

    o GeographicSpreadofInfluenza:ThegeographicspreadofinfluenzainPuertoRicoand 44 states was reported as widespread; the U.S. Virgin Islands and five states reported regional activity; and the District of Columbia, Guam, and one state reported local activity.

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