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FluView : 2013-2014 Influenza Season ; Week 18 ending May 3, 2014
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May 9, 2014
[PDF-1.36 MB]
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Journal Article:FluView
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Description:Synopsis: During week 18 (April 27-May 3, 2014), influenza activity continued to decrease in the United States.
o ViralSurveillance:Of3,692specimenstestedandreportedduringweek18byU.S.World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories, 460 (12.5%) were positive for influenza.
o PneumoniaandInfluenzaMortality:Theproportionofdeathsattributedtopneumoniaand influenza (P&I) was below the epidemic threshold.
o Influenza-associatedPediatricDeaths:Noinfluenza-associatedpediatricdeathswere reported.
o Influenza-associatedHospitalizations:Aseason-cumulativerateof35.4laboratory- confirmed influenza-associated hospitalizations per 100,000 population was reported.
o OutpatientIllnessSurveillance:Theproportionofoutpatientvisitsforinfluenza-likeillness (ILI) was 1.2%, which is below the national baseline of 2.0%. All regions reported ILI below region-specific baseline levels. One state experienced low ILI activity; 49 states and New York City experienced minimal ILI activity, and the District of Columbia had insufficient data.
o GeographicSpreadofInfluenza:ThegeographicspreadofinfluenzainGuamandfour states was reported as widespread; two states reported regional influenza activity; eight states reported local influenza activity; the District of Columbia, Puerto Rico, and 32 states reported sporadic influenza activity, and the U.S. Virgin Islands and four states reported no influenza activity.
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