FluView : 2011-2012 Influenza Season ; Week 14 ending April 7, 2012
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Filetype[PDF-552.66 KB]


  • English
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    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 14 (April 1-7, 2012), influenza activity was elevated in some areas of the United States, but declined nationally and in most regions.

      • U.S. Virologic Surveillance: Of the 3,607 specimens tested by U.S. World Health

      • Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories and reported to CDC/Influenza Division, 756 (21.0%) were positive for influenza.

      • Novel Influenza A Virus: One human infection with a novel influenza A virus was identified.

      • Pneumonia and Influenza (P&I) Mortality Surveillance: The proportion of deaths

      • attributed to P&I was below the epidemic threshold.

      • Influenza-associated Pediatric Mortality: No influenza-associated pediatric deaths were reported.

      • Outpatient Illness Surveillance: The proportion of outpatient visits for influenza-like illness (ILI) was 1.5%, which is below the national baseline of 2.4%. Region 10 reported ILI above its region-specific baseline level. One state experienced moderate ILI activity, 1 state experienced low ILI activity; New York City and 48 states experienced minimal ILI activity, and the District of Columbia had insufficient data to calculate ILI activity.

      • Geographic Spread of Influenza: Ten states reported widespread geographic activity; 9 states reported regional influenza activity; 20 states reported local activity; the District of Columbia, Puerto Rico, and 11 states reported sporadic activity, and Guam and the U.S. Virgin Islands reported no influenza activity.

      External_F1214.pdf

      Publication date from document properties.

    • Subjects:
    • Series:
      FluView : 2011-2012 Influenza Season ; Week 14
    • Document Type:
      Webpage
    • Genre:
      Statistics
    • Place as Subject:
      United States
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