The 1118 cases reported so far in 2012 makes this the highest number of West Nile virus disease cases ever reported to the CDC through the third week in August. This goes as far back as when the first case of West Nile virus was first detected in the U.S. in 1999. About 75% of the cases being reported are focused on five states: Oklahoma, Mississippi, South Dakota, Louisiana and Texas. Almost half of all of the cases have been reported from the state of Texas.
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