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FluView : 2014-2015 Influenza Season ; Week 11 ending March 21, 2015
  • Published Date:
    March 27, 2015
  • Language:
    English
Filetype[PDF - 1.27 MB]


Details:
  • Corporate Authors:
    National Center for Immunization and Respiratory Diseases (U.S.). Influenza Division.
  • Series:
    FluView : 2014-2015 Influenza Season ; Week 11
  • Document Type:
  • Description:
    Synopsis: During week 11 (March 15-21, 2015), influenza activity continued to decrease, but remained elevated in the United States.

    o ViralSurveillance:Of12,824specimenstestedandreportedbyU.S.WorldHealth Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories during week 11, 1,358 (10.6%) were positive for influenza.

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

    o Influenza-associatedPediatricDeaths:Nineinfluenza-associatedpediatricdeathswere reported.

    o Influenza-associatedHospitalizations:Acumulativeratefortheseasonof58.4 laboratory-confirmed influenza-associated hospitalizations per 100,000 population was reported.

    o OutpatientIllnessSurveillance:Theproportionofoutpatientvisitsforinfluenza-likeillness (ILI) was 2.2%, above the national baseline of 2.0%. Six regions reported ILI at or above region-specific baseline levels. Puerto Rico and one state experienced high ILI activity; four states experienced moderate ILI activity; 12 states experienced low ILI activity; New York City and 33 states experienced minimal ILI activity; and the District of Columbia had insufficient data.

    o GeographicSpreadofInfluenza:Thegeographicspreadofinfluenzainsevenstateswas reported as widespread; Guam, the U.S. Virgin Islands, and 27 states reported regional activity; the District of Columbia, Puerto Rico, and 15 states reported local activity; and one state reported sporadic activity.

  • Supporting Files:
    No Additional Files