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FluView : 2014-2015 Influenza Season ; Week 46 ending November 15, 2014
  • Published Date:
    November 21, 2014
  • Language:
    English
Filetype[PDF-1009.47 KB]


Details:
  • Corporate Authors:
    National Center for Immunization and Respiratory Diseases (U.S.). Influenza Division.
  • Description:
    Synopsis: During week 46 (November 9-15, 2014), influenza activity was low in the United States.

    o Viral Surveillance: Of 10,304 specimens tested and reported by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories during week 46, 955 (9.3%) 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: No influenza-associated pediatric deaths were reported.

    o Outpatient Illness Surveillance: The proportion of outpatient visits for influenza-like illness (ILI) was 1.6%, which is below the national baseline of 2.0%. All 10 regions reported ILI below region-specific baseline levels. Puerto Rico experienced high ILI activity; two states experienced low ILI activity; New York City and 48 states experienced minimal ILI activity; and the District of Columbia had insufficient data.

    o Geographic Spread of Influenza: The geographic spread of influenza in Puerto Rico and five states was reported as regional; 21 states reported local activity; the District of Columbia, the U.S. Virgin Islands, and 23 states reported sporadic activity; one state reported no influenza activity; and Guam did not report.

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