FluView : 2013-2014 Influenza Season ; Week 15 ending April 12, 2014
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FluView : 2013-2014 Influenza Season ; Week 15 ending April 12, 2014

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    • Description:
      Synopsis: During week 15 (April 6-12, 2014), influenza activity continued to decrease in most regions of the United States.

      o ViralSurveillance:Of4,653specimenstestedandreportedduringweek15byU.S.World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories, 675 (14.5%) were positive for influenza.

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

      o Influenza-associatedPediatricDeaths:Oneinfluenza-associatedpediatricdeathwas reported.

      o Influenza-associatedHospitalizations:Aseason-cumulativerateof33.2laboratory- confirmed influenza-associated hospitalizations per 100,000 population was reported.

      o OutpatientIllnessSurveillance:Theproportionofoutpatientvisitsforinfluenza-likeillness (ILI) was 1.5%, which is below the national baseline of 2.0%. Two of 10 regions reported ILI at or above region-specific baseline levels. Three states and New York City experienced moderate ILI activity; four states experienced low ILI activity; 43 states experienced minimal ILI activity, and the District of Columbia had insufficient data.

      o GeographicSpreadofInfluenza:Thegeographicspreadofinfluenzainsixstateswas reported as widespread; Guam and four states reported regional influenza activity; the District of Columbia, Puerto Rico and 14 states reported local influenza activity; 24 states reported sporadic influenza activity; the U.S. Virgin Islands and two states reported no influenza activity.

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