FluView: 2015–2016 Influenza Season: Week 9 ending March 5, 2016

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 9 (February 28-March 5, 2016), influenza activity remained elevated in the United States.
  
  • Viral Surveillance: The most frequently identified influenza virus type reported by public health laboratories during week 9 was influenza A, with influenza A (H1N1)pdm09 viruses predominating. 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 their system-specific epidemic threshold in both the NCHS Mortality Surveillance System and the 122 Cities Mortality Reporting System.
  
  • Influenza-associated Pediatric Deaths: Two influenza-associated pediatric deaths were reported.
  
  • Influenza-associated Hospitalizations: A cumulative rate for the season of 10.4 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 3.5%, which is above the national baseline of 2.1%. All 10 regions reported ILI at or above region-specific baseline levels. Puerto Rico and 10 states experienced high ILI activity; New York City and 13 states experienced moderate ILI activity; 12 states experienced low ILI activity; 15 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 37 states was reported as widespread; Guam and 13 states reported regional activity; the District of Columbia reported local activity; and the U.S. Virgin Islands reported sporadic activity.
  
  External_F1609.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:
  18 unnumbered pages
• Volume:
  2015
• Issue:
  9
• Collection(s):
  Stephen B. Thacker CDC Library
• Main Document Checksum:
  urn:sha-512:c775160ed8e2f5e98a13466a934285e51fa42b1fe328d5ff83ea7e07f780b4593f93d5f85c50ce7258141101d0dfe06e72a07c3a56ef003052ba8b3d41d219c1
• Download URL:
  https://stacks.cdc.gov/view/cdc/38391/cdc_38391_DS1.pdf
• File Type:
  [PDF - 1.13 MB ]