FluView : 2010-2011 Influenza Season ; Week 6 ending February 12, 2011
Corporate Authors:National Center for Immunization and Respiratory Diseases (U.S.). Influenza Division.
Series:FluView : 2010-2011 Influenza Season ; Week 6
Description:All data are preliminary and may change as more reports are received.
Synopsis: During week 6 (February 6-12, 2011), influenza activity in the United States remained elevated.
• Of the 9,448 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, 3,306 (35.0%) were positive for influenza.
• The proportion of deaths attributed to pneumonia and influenza (P&I) was above the epidemic threshold.
• Five influenza-associated pediatric deaths were reported. Three of these deaths were associated with 2009 influenza A (H1N1) virus, one was associated with an influenza A virus for which the subtype was not determined, and one was associated with an influenza B virus.
• The proportion of outpatient visits for influenza-like illness (ILI) was 4.5%, which is above the national baseline of 2.5%. All 10 regions reported ILI at or above region-specific baseline levels. Twenty states experienced high ILI activity; nine states experienced moderate ILI activity; New York City and five states experienced low ILI activity, and the District of Columbia and 16 states experienced minimal ILI activity.
• The geographic spread of influenza in 37 states was reported as widespread; 10 states reported regional influenza activity; the District of Columbia reported local activity; Puerto Rico, the U.S. Virgin Islands, and three states reported sporadic influenza activity, and Guam reported no influenza activity.
On issue: Report prepared: February 11, 2011. Publication date (2/18/11) from document properties.
Supporting Files:No Additional Files
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