lunes, 26 de abril de 2010

2009-2010 Influenza Season Week 15 ending April 17, 2010


2009-2010 Influenza Season Week 15 ending April 17, 2010
All data are preliminary and may change as more reports are received.

Synopsis:
During week 15 (April 11-17, 2010), influenza activity decreased in the U.S.

► 37 (2.1%) specimens tested by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories and reported to CDC/Influenza Division were positive for influenza.
► All 20 subtyped influenza A viruses were 2009 influenza A (H1N1).
► The proportion of deaths attributed to pneumonia and influenza (P&I) was at the epidemic threshold.
► No influenza-associated pediatric deaths were reported.
► The proportion of outpatient visits for influenza-like illness (ILI) was 1.1%, which is below the national baseline of 2.3%. All 10 regions reported ILI below region-specific baseline levels.
► No states reported widespread or regional influenza activity. Four states reported local influenza activity. The District of Columbia, Guam, Puerto Rico, and 31 states reported sporadic influenza activity. Fourteen states reported no influenza activity, and the U.S. Virgin Islands and one state did not report.

open here please:
http://www.cdc.gov/flu/weekly/


and open here:
CDC - Seasonal Influenza (Flu) - Weekly Report: Influenza Summary Update">CDC - Seasonal Influenza (Flu) - Weekly Report: Influenza Summary Update


and open here for more:
http://www.cdc.gov/flu/weekly/

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