Details:

Corporate Authors:
National Center for Immunization and Respiratory Diseases (U.S.). Influenza Division. ;
Description:
Synopsis: During week 16 (April 14-20, 2013), influenza activity decreased in the United States. o Viral Surveillance : Of 3,384 specimens tested and reported by collaborating laboratories, 250 (7.4%) were positive for influenza. o Pneumonia and Influenza Mortality: The proportion of death sattributed to pneumonia and influenza (P&I) was below the epidemic threshold. o Influenza-Associated Pediatric Deaths: Five pediatric deaths were reported. o Influenza-Associated Hospitalizations: Acumulative rate for thes eason of 43.9laboratory-confirmed influenza-associated hospitalizations per 100,000 population wasreported. Of reported hospitalizations, 50% were among adults 65 years and older. o Outpatient Illness Surveillance : The proportion of outpatient visits for influenza-like illness (ILI) was 1.1%. This is below the national baseline of 2.2%. All 10 regions reported ILI below region-specific baseline levels. One state experienced low activity; 49 states and New York City experienced minimal activity, and the District of Columbia had insufficient data. o Geographic Spread of Influenza : Three states reported widespread influenza activity; 3 states reported regional influenza activity; 8 states reported local influenza activity; the District of Columbia, Guam, Puerto Rico, and 35 states reported sporadic influenza activity; 1 state reported no influenza activity, and the U.S. Virgin Islands did not report.
Subject:
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Disease Outbreaks
Influenza, Human/epidemiology
Influenza A Virus, H2N2 Subtype
Public Health Surveillance

Document Type:
Newsletter ;
Place as Subject:
United States ;
Collection(s):
Stephen B. Thacker CDC Library collection
Main Document Checksum:
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urn:sha256:9c78af2f2fb0db617bf9d0a16d94d238f8fc2eda86f2511473141baaf4e2257a
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