FluView : 2015-2016 Influenza Season ; Week 7 ending February 20, 2016
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FluView : 2015-2016 Influenza Season ; Week 7 ending February 20, 2016
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  • Description:
    All data are preliminary and may change as more reports are received. Synopsis: During week 7 (February 14-20, 2016), influenza activity increased in the United States. • Viral Surveillance: The most frequently identified influenza virus type reported by public health laboratories during week 7 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: One influenza-associated pediatric death was reported. • Influenza-associated Hospitalizations: A cumulative rate for the season of 5.8 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 3.2%, which is above the national baseline of 2.1%. All 10 regions reported ILI at or above region-specific baseline levels. Puerto Rico and six states experienced high ILI activity; New York City and six states experienced moderate ILI activity; 13 states experienced low ILI activity; 24 states experienced minimal ILI activity; and the District of Columbia and one state had insufficient data. • Geographic Spread of Influenza: The geographic spread of influenza in Guam, Puerto Rico, and 21 states was reported as widespread; 18 states reported regional activity; the District of Columbia and 10 states reported local activity; and the U.S. Virgin Islands and one state reported sporadic activity. External_F1607.pdf
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