FluView: 2011–2012 Influenza Season: Week 48 ending December 3, 2011

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 48 (November 27-December 3, 2011), influenza activity remained low in the United States.
  
  • U.S. Virologic Surveillance: Of the 2,233 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, 37 (1.7%) were positive for influenza.
  
  • Novel influenza A Virus: Two human infections with a novel influenza A virus were
  
  • 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: Two influenza-associated pediatric deaths were reported. These deaths occurred during the 2010-11 influenza season.
  
  • Outpatient Illness Surveillance: The proportion of outpatient visits for influenza-like illness (ILI) was 1.2%, which is below the national baseline of 2.4%. All 10 regions reported ILI below region-specific baseline levels. Two states and New York City experienced low ILI activity, forty-eight states experienced minimal ILI activity, and the District of Columbia had insufficient data.
  
  • Geographic Spread of Influenza: The geographic spread of influenza in one state was reported as local; the District of Columbia, Guam, Puerto Rico, and 30 states reported sporadic activity, and the U.S. Virgin Islands and 19 states reported no influenza activity.
  
  External_F1148.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:
  11 numbered pages
• Volume:
  2010
• Issue:
  48
• Collection(s):
  Stephen B. Thacker CDC Library
• Main Document Checksum:
  urn:sha-512:28d6434ce2af5b1bcd23afb91a241fef91d2118c3b77177d0b8a4b233402034343f94fe012381199f7dbe2e6441f3c95b0a9c1a9e7bfe19d85c371a116b48b5d
• Download URL:
  https://stacks.cdc.gov/view/cdc/37501/cdc_37501_DS1.pdf
• File Type:
  [PDF - 461.06 KB ]