Details:

Corporate Authors:
National Center for Immunization and Respiratory Diseases (U.S.). Influenza Division. ;
Description:
All data are preliminary and may change as more reports are received. Synopsis: During week 48 (November 25-December 1), influenza activity increased in the U.S. o Viral Surveillance: Of 5,511 specimens tested and reported by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories during week 48, 1,139 (20.7%) 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: Three influenza-associated pediatric deaths were reported. One of these deaths was associated with an influenza B virus and two were associated with influenza A viruses for which the subtype was not determined. o Outpatient Illness Surveillance: The proportion of outpatient visits for influenza-like illness (ILI) was 1.9%, which is below the national baseline of 2.2%. Three regions reported ILI above region-specific baseline levels. Four states experienced high ILI activity, three states experienced moderate ILI activity; 6 states experienced low ILI activity; New York City and 37 states experienced minimal ILI activity, and the District of Columbia had insufficient data. o Geographic Spread of Influenza: The geographic spread of influenza in 8 states was reported as widespread; 15 states reported regional activity; 15 states reported local activity; the District of Columbia, Guam, and 12 states reported sporadic activity, and Puerto Rico and the U.S. Virgin Islands did not report. Date from document properties.
Subject:
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Disease Outbreaks
Influenza, Human/epidemiology
Influenza A Virus, H2N2 Subtype
Public Health Surveillance

Series:
FluView : 2013-2014 Influenza Season ; Week 48;
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:dbfd94cc66c0335ba2af39b7aaf53476b52336dd37b12a8bd875f625535997cb
File Type:

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