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FluView : 2016-2017 influenza season ; week 43 ending October 29, 2016
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November 4, 2016
[PDF-1.34 MB]
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Description:All data are preliminary and may change as more reports are received.
Synopsis:
During week 43 (October 23-29, 2016), influenza activity was low in the United States.
• Viral Surveillance: The most frequently identified influenza virus subtype reported by public health laboratories during week 43 was influenza A (H3). The percentage of respiratory specimens testing positive for influenza in clinical laboratories was low.
• 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: Two influenza-associated pediatric deaths were reported that occurred during the 2015-2016 season.
• Outpatient Illness Surveillance: The proportion of outpatient visits for influenza-like illness (ILI) was 1.3%, which is below the national baseline of 2.2%. All 10 regions reported ILI below region-specific baseline levels. Puerto Rico experienced high ILI activity, New York City and all 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 widespread; Puerto Rico reported regional activity; three states reported local activity; the District of Columbia, the U.S. Virgin Islands and 39 states reported sporadic activity; and eight states reported no activity.
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