Tuesday, November 20, 2012

CDC reports West Nile in US is worst on record

2012 West Nile virus update: November 14


As of November 14, 2012, 48 states have reported West Nile virus infections in people, birds, or mosquitoes. A total of 5,128 cases of West Nile virus disease in people, including 229 deaths, have been reported to CDC. Of these, 2,601 (51%) were classified as neuroinvasive disease (such as meningitis or encephalitis) and 2,527 (49%) were classified as non-neuroinvasive disease.
The 5,128 cases reported thus far in 2012 is the highest number of West Nile virus disease cases reported to CDC through the second week in November since 2003. Almost 80 percent of the cases have been reported from 12 states (Texas, California, Louisiana, Mississippi, Illinois, South Dakota, Michigan, Oklahoma, Nebraska, Colorado, Arizona, and Ohio) and over a third of all cases have been reported from Texas.

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