FluView : 2012-2013 Influenza Season ; Week 49 ending December 8, 2012
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FluView : 2012-2013 Influenza Season ; Week 49 ending December 8, 2012

Filetype[PDF-1.06 MB]


  • English
    • Details You May Also Like

    Details:

    • Journal Article:
      FluView
    • Corporate Authors:
      National Center for Immunization and Respiratory Diseases (U.S.). Influenza Division.
    • Description:
      All data are preliminary and may change as more reports are received.

      Synopsis: During week 49 (December 2-8), influenza activity increased in the U.S.

      o Viral Surveillance: Of 7,663 specimens tested and reported by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories during week 49, 2,172 (28.3%) were positive for influenza.

      o Novel Influenza A Virus: One human infection with a novel influenza A virus was reported.

      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 and was associated with an influenza B virus.

      o Outpatient Illness Surveillance: The proportion of outpatient visits for influenza-like illness (ILI) was 2.8%, which is above the national baseline of 2.2%. Seven of ten regions reported ILI above region-specific baseline levels. Eight states experienced high ILI activity, 2 states experienced moderate ILI activity; New York City and 9 states experienced low ILI activity; 31 states experienced minimal ILI activity, and the District of Columbia had insufficient data.

      o Geographic Spread of Influenza: The geographic spread of influenza in 18 states was reported as widespread; 17 states reported regional activity; the District of Columbia and 11 states reported local activity; Guam and 4 states reported sporadic activity, and Puerto Rico and the U.S. Virgin Islands did not report.

      Date from document properties.

    • Subject:
    • Series:
      FluView : 2013-2014 Influenza Season ; Week 49
    • Document Type:
      Newsletter
    • Place as Subject:
      United States
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