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

Public Domain
File Language:
English


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.

  • Subjects:
  • Series:
    FluView
  • Document Type:
    Text
  • Genre:
  • Place as Subject:
    United States
  • Pages in Document:
    12 numbered pages
  • Volume:
    2013
  • Issue:
    49
  • Collection(s):
  • Main Document Checksum:
    urn:sha-512:785695dafa169a0559ebb2994f289b362cb901c75029af4b4202ee1132b2bdcc3e410de1c420db1d1fca2987df43b19e9e14efc90da793fb050bc37fb0251739
  • Download URL:
  • File Type:
    Filetype[PDF - 1.06 MB ]
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