FluView : 2012-2013 Influenza Season ; Week 6 ending February 9, 2013
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FluView : 2012-2013 Influenza Season ; Week 6 ending February 9, 2013

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  • English

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    • Journal Article:
    • Description:
      All data are preliminary and may change as more reports are received.

      Synopsis: During week 6 (February 3 - 9, 2013), influenza activity remained elevated in the United States, but decreased in most areas.

      o Viral Surveillance: Of 7,608 specimens tested and reported by collaborating laboratories, 1,499 (19.7%) were positive for influenza.

      o Pneumonia and Influenza Mortality: The proportion of deaths attributed to pneumonia and influenza (P&I) was above the epidemic threshold.

      o Influenza-Associated Pediatric Deaths: Five pediatric deaths were reported.

      o Influenza-Associated Hospitalizations: A cumulative rate for the season of 32.1 laboratory-confirmed influenza-associated hospitalizations per 100,000 population was reported. Of reported hospitalizations, more than 50% were among adults 65 years and older.

      o Outpatient Illness Surveillance: The proportion of outpatient visits for influenza-like illness (ILI) was 3.2%. This is above the national baseline of 2.2%. All 10 regions reported ILI above region-specific baseline levels. Eleven states and New York City experienced high ILI activity; 10 states experienced moderate activity; the District of Columbia and 13 states experienced low activity, and 16 states experienced minimal activity.

      o Geographic Spread of Influenza: Thirty-one states reported widespread influenza activity; Puerto Rico and 14 states reported regional influenza activity; the District of Columbia and 4 states reported local influenza activity; Guam and one state reported sporadic influenza activity, and the U.S. Virgin Islands did not report.

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