FluView: 2016–2017 Influenza Season: Week 7 ending February 18, 2017

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 7 (February 12-18 2017), influenza activity decreased slightly but remained elevated in the United States.
  
  • Viral Surveillance: The most frequently identified influenza virus subtype reported by public health laboratories during week 7 was influenza A (H3). The percentage of respiratory specimens testing positive for influenza in clinical laboratories decreased slightly but remained elevated.
  
  • Pneumonia and Influenza Mortality: The proportion of deaths attributed to pneumonia and influenza (P&I) was above the system-specific epidemic threshold in the National Center for Health Statistics (NCHS) Mortality Surveillance System.
  
  • Influenza-associated Pediatric Deaths: Five influenza-associated pediatric deaths were reported.
  
  • Influenza-associated Hospitalizations: A cumulative rate for the season of 33.7 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 4.8%, which is above the national baseline of 2.2%. Nine regions reported ILI at or above their region-specific baseline levels. 27 states experienced high ILI activity; New York City and five states experienced moderate ILI activity; Puerto Rico and 10 states experienced low ILI activity; eight states experienced minimal ILI activity; and the District of Columbia had insufficient data.
  
  • Geographic Spread of Influenza: The geographic spread of influenza in Puerto Rico and 44 states was reported as widespread; Guam and four states reported regional activity; the District of Columbia and one state reported local activity; one state reported sporadic activity; and the U.S. Virgin Islands reported no activity.
  
  External_F1707.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:
  2016
• Issue:
  7
• Collection(s):
  Stephen B. Thacker CDC Library
• Main Document Checksum:
  urn:sha-512:ae573b13895bcc57822fac8bdfba3d2572a5b5c507ad1d31fe891dfeb2bb1d15499fe486f4a655d163ccd4624b005895376f932428bd45134aed1cec56c72428
• Download URL:
  https://stacks.cdc.gov/view/cdc/44335/cdc_44335_DS1.pdf
• File Type:
  [PDF - 1.30 MB ]