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FluView : 2013-2014 Influenza Season ; Week 48 ending November 30, 2013
  • Published Date:
    December 6, 2013
  • Language:
    English
Filetype[PDF - 734.02 KB]


Details:
  • Corporate Authors:
    National Center for Immunization and Respiratory Diseases (U.S.). Influenza Division.
  • Series:
    FluView : 2013-2014 Influenza Season ; Week 48
  • Document Type:
  • Description:
    Synopsis: During week 48 (November 24-30, 2013), influenza activity increased slightly in the United States.

    o Viral Surveillance: Of 5,306 specimens tested and reported by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories during week 48, 536 (10.1%) were positive for influenza.

    o Pneumonia and Influenza Mortality: The proportion of deaths attributed to pneumonia and influenza (P&I) was below the epidemic threshold.

    o Influenza-associated Pediatric Deaths: One influenza-associated pediatric death was reported.

    o Influenza-associated Hospitalizations: A cumulative rate for the season of 1.2 laboratory- confirmed influenza-associated hospitalizations per 100,000 population was reported.

    o OutpatientI llness Surveillance: The proportion of outpatient visits for influenza-like illness (ILI) was 1.9%, below the national baseline of 2.0%. Two regions reported ILI above region-specific baseline levels. Two states experienced high ILI activity, two states experienced moderate ILI activity, two states and New York City experienced low ILI activity, 44 states experienced minimal ILI activity and the District of Columbia had insufficient data.

    o Geographic Spread of Influenza: The geographic spread of influenza in nine states was reported as regional; 13 states reported local influenza activity; the District of Columbia, Guam, Puerto Rico, and 27 states reported sporadic influenza activity, and the U.S. Virgin Islands and one state reported no influenza activity.

  • Supporting Files:
    No Additional Files