FluView : 2012-2013 Influenza Season ; Week 18 ending May 4, 2013
Corporate Authors:National Center for Immunization and Respiratory Diseases (U.S.). Influenza Division.
Series:FluView : 2012-2013 Influenza Season ; Week 18
Description:Synopsis: During week 18 (April 28-May 4, 2013), influenza activity remained low in the United States.
o Viral Surveillance: Of 3,048 specimens tested and reported by collaborating laboratories, 125 (4.1%) were positive for influenza.
o Pneumonia and Influenza Mortality: The proportion of deaths attributed to pneumonia and influenza (P&I) was below the epidemic threshold.
o Influenza-Associated Pediatric Deaths: One pediatric death was reported.
o Influenza-Associated Hospitalizations: A cumulative rate for the season of 44.2 laboratory-confirmed influenza-associated hospitalizations per 100,000 population was reported. 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 0.9%. This is below the national baseline of 2.2%. All 10 regions reported ILI below region-specific baseline levels. 49 states and New York City experienced minimal activity, and the District of Columbia and 1 state had insufficient data.
o Geographic Spread of Influenza:5 states reported regional influenza activity; 3 states reported local influenza activity; Guam, Puer to Rico, and 37 states reported sporadic influenza activity; 5 states reported no influenza activity, and the District of Columbia and the U.S. Virgin Islands did not report.
Supporting Files:No Additional Files
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