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FluView : 2012-2013 Influenza Season ; Week 44 ending November 3, 2012
  • Published Date:
    11/9/12
  • Language:
    English
Filetype[PDF - 448.93 KB]


Details:
  • 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 44 (October 28-November 3, 2012), influenza activity increased in some areas, but overall was similar to activity last week in the United States.

    o Viral Surveillance: Of 3,277 specimens tested and reported by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories during week 44, 227 (6.9%) were positive for influenza.

    o Pneumonia and Influenza Mortality: The proportion of deaths attributed to pneumonia and influenza (P&I) was slightly above 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 1.3%, which is below the national baseline of 2.2%. All 10 regions reported ILI below region-specific baseline levels. One state experienced low ILI activity; New York City and 49 states experienced minimal ILI activity, and the District of Columbia had insufficient data.

    o Geographic Spread of Influenza: The geographic spread of influenza in 1 state was reported as regional; 8 states reported local activity; the District of Columbia and 33 states reported sporadic activity; Guam and 8 states reported no influenza activity, and Puerto Rico and the U.S. Virgin Islands did not report.

    Publication date from document properties.

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