FluView: 2016–2017 Influenza Season: Week 52 ending December 31, 2016

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.
  
  During week 52 (December 25-31, 2016), influenza activity increased in the United States.
  
  • Viral Surveillance: The most frequently identified influenza virus subtype reported by public health laboratories during week 52 was influenza A (H3). The percentage of respiratory specimens testing positive for influenza in clinical laboratories increased.
  
  • Pneumonia and Influenza Mortality: The proportion of deaths attributed to pneumonia and influenza (P&I) was below the system-specific epidemic threshold in the National Center for Health Statistics (NCHS) Mortality Surveillance System.
  
  • Influenza-associated Pediatric Deaths: No influenza-associated pediatric deaths were reported.
  
  • Influenza-associated Hospitalizations: A cumulative rate for the season of 4.9 laboratory-confirmed influenza-associated hospitalizations per 100,000 population was reported.
  
  • Outpatient Illness Surveillance: The proportion of outpatient visits for influenza-like illness (ILI) was 3.4%, which is above the national baseline of 2.2%. Nine regions reported ILI at or above their region-specific baseline levels. New York City, Puerto Rico, and 10 states experienced high ILI activity; 10 states experienced moderate ILI activity; five states experienced low ILI activity; 25 states experienced minimal ILI activity, and the District of Columbia had insufficient data.
  
  • Geographic Spread of Influenza: The geographic spread of influenza in 12 states was reported as widespread; Guam and 28 states reported regional activity; the District of Columbia and 10 states reported local activity; the U.S. Virgin Islands reported sporadic activity; and Puerto Rico did not report.
  
  External_F1652.pdf
  
  
• Subjects:
  Disease Outbreaks Influenza, Human/epidemiology Public Health Surveillance
• Series:
  FluView
• Document Type:
  Text
• Genre:
  Newsletter ; Statistics
• Place as Subject:
  United States
• Pages in Document:
  17 numbered pages
• Volume:
  2015
• Issue:
  52
• Collection(s):
  Stephen B. Thacker CDC Library
• Main Document Checksum:
  urn:sha-512:6ecd1700fea30ea59df59e27bdaead814bdbd608ff3d84b930b43367875489ac27099fdfa8f7bc8668329b94aaab52ff6ca8bccba7e460ba8ad9208d27d13f2e
• Download URL:
  https://stacks.cdc.gov/view/cdc/43696/cdc_43696_DS1.pdf
• File Type:
  [PDF - 1.21 MB ]