FluView : 2013-2014 Influenza Season ; Week 4 ending January 25, 2014
Published Date:January 24, 2014
Corporate Authors:National Center for Immunization and Respiratory Diseases (U.S.). Influenza Division.
Series:FluView : 2013-2014 Influenza Season ; Week 4
Description:Synopsis: During week 4 (January 19-25, 2014), influenza activity remained high in the United States.
o Viral Surveillance: Of 9,514 specimens tested and reported during week 4 by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories, 2,006 (21.1%) 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: Nine influenza-associated pediatric deaths were reported.
o Influenza-associated Hospitalizations: A season-cumulative rate of 20.3laboratory- confirmed influenza-associated hospitalizations per 100,000 population was reported.
o Outpatient Illness Surveillance: The proportion of out patient visits for influenza-like illness (ILI) was 3.3%, above the national baseline of 2.0%. All 10 regions reported ILI above region-specific baseline levels. Ten states experienced high ILI activity; 12 states and New York City experienced moderate ILI activity; 14 states experienced low ILI activity; 14 states experienced minimal ILI activity, and the District of Columbia had insufficient data.
o Geographic Spread of Influenza: The geographic spread of influenza in 38 states was reported as widespread; 10 states reported regional influenza activity; the District of Columbia and one state reported local influenza activity; Guam, Puerto Rico, and one state reported sporadic influenza activity, and the U.S. Virgin Islands did not report.
Supporting Files:No Additional Files
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