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FluView : 2013-2014 Influenza Season ; Week 8 ending February 22, 2014
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February 28, 2014
[PDF-1.05 MB]
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Journal Article:FluView
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Description:Synopsis: During week 8 (February 16-22, 2014), influenza activity decreased, but remained elevated in the United States.
o ViralSurveillance:Of6,813specimenstestedandreportedduringweek8byU.S.World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories, 738 (10.8%) were positive for influenza.
o PneumoniaandInfluenzaMortality:Theproportionofdeathsattributedtopneumoniaand influenza (P&I) was above the epidemic threshold.
o Influenza-associatedPediatricDeaths:Nineinfluenza-associatedpediatricdeathswere reported.
o Influenza-associatedHospitalizations:Aseason-cumulativerateof27.4laboratory- confirmed influenza-associated hospitalizations per 100,000 population was reported.
o OutpatientIllnessSurveillance:Theproportionofoutpatientvisitsforinfluenza-likeillness (ILI) was 2.3%, above the national baseline of 2.0%. Eight of 10 regions reported ILI above region-specific baseline levels. Two states experienced high ILI activity; two states experienced moderate ILI activity; 10 states experienced low ILI activity; 36 states and New York City experienced minimal ILI activity, and the District of Columbia had insufficient data.
o GeographicSpreadofInfluenza:Thegeographicspreadofinfluenzain10stateswas reported as widespread; 22 states reported regional influenza activity; the District of Columbia, Guam and 14 states reported local influenza activity; Puerto Rico and four states reported sporadic influenza activity, and the U.S. Virgin Islands reported no influenza activity.
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