FluView : 2014-2015 Influenza Season ; Week 52 ending December 27, 2014
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FluView : 2014-2015 Influenza Season ; Week 52 ending December 27, 2014

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English

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  • Journal Article:
    FluView
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    Synopsis: During week 52 (December 21-27, 2014), influenza activity continued to increase in the United States.

    o ViralSurveillance:Of24,001specimenstestedandreportedbyU.S.WorldHealth Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories during week 52, 7,289 (30.4%) were positive for influenza.

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

    o Influenza-associatedPediatricDeaths:Sixinfluenza-associatedpediatricdeathswere reported.

    o Influenza-associatedHospitalizations:Acumulativeratefortheseasonof12.6 laboratory-confirmed influenza-associated hospitalizations per 100,000 population was reported.

    o OutpatientIllnessSurveillance:Theproportionofoutpatientvisitsforinfluenza-likeillness (ILI) was 5.9%, 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 six states experienced moderate ILI activity; five states experienced low ILI activity; nine states experienced minimal ILI activity; and the District of Columbia and one state had insufficient data.

    o Geographic Spread of Influenza: The geographic spread of influenza in 43 states was reported as widespread; Puerto Rico and six states reported regional activity; one state reported sporadic activity; and the District of Columbia, Guam, and the U.S. Virgin Islands did not report.

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