Details:

Corporate Authors:
National Center for Immunization and Respiratory Diseases (U.S.). Influenza Division.
Description:
Synopsis: During week 11 (March 10 – 16, 2013), influenza activity remained elevated in the United States, but decreased in most areas.

o Viral Surveillance: Of 5,526 specimens tested and reported by collaborating laboratories, 899 (16.3%) were positive for influenza.

o Pneumonia and Influenza Mortality: The proportion of deaths attributed to pneumonia and

influenza (P&I) was above the epidemic threshold.

o Influenza-Associated Pediatric Deaths: Six pediatric deaths were reported.

o Influenza-Associated Hospitalizations: A cumulative rate for the season of 40.6

laboratory-confirmed influenza-associated hospitalizations per 100,000 population was

reported. Of reported hospitalizations, 51% were among adults 65 years and older.

o Outpatient Illness Surveillance: The proportion of outpatient visits for influenza-like illness

(ILI) was 2.2%. This is at the national baseline of 2.2%. Three of 10 regions reported ILI

above region-specific baseline levels. One state experienced high ILI activity; 5 states

experienced moderate activity; 6 states and New York City experienced low activity; 38

states experienced minimal activity, and the District of Columbia had insufficient data.

o Geographic Spread of Influenza: Seven states reported widespread influenza activity;

Puerto Rico and 8 states reported regional influenza activity; 26 states reported local

influenza activity; 9 states reported sporadic influenza activity; Guam reported no influenza activity, and the U.S. Virgin Islands and the District of Columbia did not report.


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 11
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:bd8fbd8137ffea2d9610314d81b3632fea5a20ff1e1a962da6b758d9705741d5
File Type:

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