FluView: 2011-2012 Influenza Season: Week 5 ending February 4, 2012

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 5 (January 29-February 4, 2012), influenza activity in the United States increased.
  
  • U.S. Virologic Surveillance: Of the 3,586 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, 378 (10.5%) were positive for influenza.
  
  • Pneumonia and Influenza (P&I) Mortality Surveillance: The proportion of deaths
  
  • attributed to P&I was below the epidemic threshold.
  
  • Influenza-associated Pediatric Mortality: One influenza-associated pediatric death was reported and was associated with an influenza A virus for which the subtype was not determined.
  
  • Outpatient Illness Surveillance: The proportion of outpatient visits for influenza-like illness (ILI) was 1.7%, which is below the national baseline of 2.4%. Regions 7 and 10 reported ILI above region-specific baseline levels. One state experienced moderate ILI activity, 5 states experienced low ILI activity, New York City and 44 states experienced minimal ILI activity, and the District of Columbia had insufficient data.
  
  • Geographic Spread of Influenza: One state reported widespread geographic activity; 9 states reported regional activity; 12 states reported local activity; the District of Columbia, Puerto Rico, and 27 states reported sporadic activity; Guam, the U.S. Virgin Islands and 1 state reported no influenza activity.
  
  External_F1205.pdf
  
  
• Subjects:
  Disease Outbreaks Influenza, Human/epidemiology Influenza A Virus, H2N2 Subtype Public Health Surveillance
• Series:
  FluView
• Document Type:
  Text
• Genre:
  Newsletter ; Statistics
• Place as Subject:
  United States
• Pages in Document:
  13 numbered pages
• Volume:
  2011
• Issue:
  5
• Collection(s):
  Stephen B. Thacker CDC Library
• Main Document Checksum:
  urn:sha-512:9d9cb4bdf296cdedba35cebbda023bc4db55fd13fa05d816dfd5c7b8e300ab268f8c72e1d297e52e118c7cba9259831e952e1a1cd3d37691ae66500d594f4e90
• Download URL:
  https://stacks.cdc.gov/view/cdc/37316/cdc_37316_DS1.pdf
• File Type:
  [PDF - 573.55 KB ]