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FluView : 2013-2014 Influenza Season ; Week 20 ending May 17, 2014
  • Published Date:
    May 23, 2014
  • Language:
    English
Filetype[PDF - 1.09 MB]


Details:
  • Corporate Authors:
    National Center for Immunization and Respiratory Diseases (U.S.). Influenza Division.
  • Description:
    Synopsis: During week 20 (May 11-17, 2014), influenza activity continued to decrease in the United States.

    o ViralSurveillance:Of3,885specimenstestedandreportedduringweek20byU.S.World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories, 339 (8.7%) 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-cumulativerateof35.6laboratory- confirmed influenza-associated hospitalizations per 100,000 population was reported.

    o OutpatientIllnessSurveillance:Theproportionofoutpatientvisitsforinfluenza-likeillness (ILI) was 1.1%, which is below the national baseline of 2.0%. One of 10 regions reported ILI at or above region-specific baseline levels. One state experienced low ILI activity; 49 states and New York City experienced minimal ILI activity, and the District of Columbia had insufficient data.

    o GeographicSpreadofInfluenza:Thegeographicspreadofinfluenzaintwostateswas reported as widespread; Guam and five states reported regional influenza activity; six states reported local influenza activity; the District of Columbia, Puerto Rico, and 32 states reported sporadic influenza activity; five states reported no influenza activity, and the U.S. Virgin Islands did not report.

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