Details:

Corporate Authors:
National Center for Immunization and Respiratory Diseases (U.S.). Influenza Division.
Description:
Synopsis: During week 16 (April 19-25, 2015), influenza activity continued to decrease in the United States.

o Viral Surveillance: Of 8,294 specimens tested and reported by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories during week 16, 542 (6.5%) were positive for influenza.

o Pneumonia and Influenza Mortality: The proportion of deaths attributedto pneumonia and influenza (P&I) was below the epidemic threshold.

o Influenza-associated Pediatric Deaths: Five influenza-associated pediatric deaths were reported.

o Influenza-associated Hospitalizations :A cumulative rate for the season of 64.3 laboratory-confirmed influenza-associated hospitalizations per 100,000 population was reported.

o OutpatientIllnessSurveillance: The proportion of outpatient visits for influenza-like illness (ILI) was 1.4%, which is below the national baseline of 2.0%. Two regions reported ILI at or above region-specific baseline levels. Puerto Rico experienced low ILI activity; New York City and 49 states experienced minimal ILI activity; and the District of Columbia and one state had insufficient data.

o Geographic Spread of Influenza: The geographic spread of influenzain three states was reported as widespread; Guam and nine states reported regional activity; Puerto Rico and 14 states reported local activity; the District of Columbia, the U.S. Virgin Islands, and 21 states reported sporadic activity; and three states reported no influenza activity


Subject:
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Disease Outbreaks
Influenza, Human/epidemiology
Influenza A Virus, H2N2 Subtype
Public Health Surveillance

Series:
FluView : 2014-2015 Influenza Season ; Week 16
Document Type:
Newsletter
Place as Subject:
United States
Collection(s):
Stephen B. Thacker CDC Library collection
Main Document Checksum:
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urn:sha256:606c06db12455bfe76392956185e29fe2b3e18ba54275333cfa60202585d86d3
File Type:

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