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FluView : 2013-2014 Influenza Season ; Week 18 ending May 3, 2014
  • Published Date:
    May 9, 2014
  • Language:
    English
Filetype[PDF - 1.36 MB]


Details:
  • Corporate Authors:
    National Center for Immunization and Respiratory Diseases (U.S.). Influenza Division.
  • Series:
    FluView : 2013-2014 Influenza Season ; Week 18
  • Document Type:
  • Description:
    Synopsis: During week 18 (April 27-May 3, 2014), influenza activity continued to decrease in the United States.

    o ViralSurveillance:Of3,692specimenstestedandreportedduringweek18byU.S.World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories, 460 (12.5%) were positive for influenza.

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

    o Influenza-associatedPediatricDeaths:Noinfluenza-associatedpediatricdeathswere reported.

    o Influenza-associatedHospitalizations:Aseason-cumulativerateof35.4laboratory- confirmed influenza-associated hospitalizations per 100,000 population was reported.

    o OutpatientIllnessSurveillance:Theproportionofoutpatientvisitsforinfluenza-likeillness (ILI) was 1.2%, which is below the national baseline of 2.0%. All regions reported ILI below 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:ThegeographicspreadofinfluenzainGuamandfour states was reported as widespread; two states reported regional influenza activity; eight states reported local influenza activity; the District of Columbia, Puerto Rico, and 32 states reported sporadic influenza activity, and the U.S. Virgin Islands and four states reported no influenza activity.

  • Supporting Files:
    No Additional Files