FluView : 2015-2016 Influenza Season ; Week 43 ending October 31, 2015
Published Date:November 6, 2015
Corporate Authors:National Center for Immunization and Respiratory Diseases (U.S.). Influenza Division.
Series:FluView : 2015-2016 Influenza Season ; Week 43
Description:All data are preliminary and may change as more reports are received.
Synopsis: During week 43 (October 25-31, 2015), influenza activity was low in the United States.
• Viral Surveillance: The most frequently identified influenza virus type reported by public health laboratories in week 43 was influenza A viruses, with influenza A (H3) viruses predominating. The percentage of respiratory specimens testing positive for influenza in clinical laboratories is low.
• 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: No influenza-associated pediatric deaths were reported.
• Outpatient Illness Surveillance: The proportion of outpatient visits for influenza-like illness (ILI) was 1.4%, which is below the national baseline of 2.1%. All 10 regions reported ILI below region-specific baseline levels. Puerto Rico experienced low ILI activity, New York City and 50 states experienced minimal ILI activity, and the District of Columbia had insufficient data.
• Geographic Spread of Influenza: The geographic spread of influenza in Guam was
• reported as regional; two states reported local activity; Puerto Rico and 40 states reported sporadic activity; and the District of Columbia, the U.S. Virgin Islands and eight states reported no influenza activity.
Supporting Files:No Additional Files
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