FluView : 2012-2013 Influenza Season ; Week 43 ending October 27, 2012
Corporate Authors:National Center for Immunization and Respiratory Diseases (U.S.). Influenza Division.
Series:FluView : 2013-2014 Influenza Season ; Week 43
Description:All data are preliminary and may change as more reports are received.
Note: Due to severe weather in the eastern United States, data from these regions are not complete and are likely to change over the coming weeks as more surveillance data become available.
Synopsis: During week 43 (October 21-27, 2012), influenza activity remained low in the United States.
o Viral Surveillance: Of 3,036 specimens tested and reported by U.S. World Health Organization (WHO) and National Respiratory and Enteric Virus Surveillance System (NREVSS) collaborating laboratories during week 43, 188 (6.2%) 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: No influenza-associated pediatric deaths were reported.
o Outpatient Illness Surveillance: The proportion of outpatient visits for influenza-like illness (ILI) was 1.1%, which is below the national baseline of 2.2%. All 10 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 Geographic Spread of Influenza: The geographic spread of influenza in 5 states was reported as local; the District of Columbia and 33 states reported sporadic activity; Guam and 12 states reported no influenza activity, and Puerto Rico and the U.S. Virgin Islands did not report.
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