FluView : 2014-2015 Influenza Season ; Week 12 ending March 28, 2015
Published Date:April 3, 2015
Corporate Authors:National Center for Immunization and Respiratory Diseases (U.S.). Influenza Division.
Series:FluView : 2014-2015 Influenza Season ; Week 12
Description:Synopsis: During week 12 (March 22-28, 2015), influenza activity continued to decrease, but remained elevated in the United States.
o Viral Surveillance: Of 12,014 specimens tested and reported by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories during week 12, 1,300 (10.8%) were positive for influenza.
o Pneumonia and Influenza Mortality: The proportion of deaths attributed to pneumonia and influenza (P&I) was below the epidemic threshold.
o Influenza-associated Pediatric Deaths: Seven influenza-associated pediatric deaths were reported.
o Influenza-associated Hospitalizations: A cumulative rate for the season of 59.9 laboratory-confirmed influenza-associated hospitalizations per 100,000 population was reported.
o Outpatient Illness Surveillance: The proportion of outpatient visits for influenza-like illness (ILI) was 2.0%, which is at the national baseline of 2.0%. Five regions reported ILI at or above region-specific baseline levels. Puerto Rico and two states experienced high ILI activity; eight states experienced low ILI activity; New York City and 40 states experienced minimal ILI activity; and the District of Columbia had insufficient data.
o Geographic Spread of Influenza: The geographic spread of influenza in four states was reported as widespread; the U.S. Virgin Islands and 20 states reported regional activity; Guam, Puerto Rico, and 22 states reported local activity; and the District of Columbia and four states reported sporadic activity.
Supporting Files:No Additional Files
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