West Nile virus still spreading

In 1999, New York was the only state that reported human cases of West Nile virus (62). So far this year, the virus has infected nearly 2,000 people in 44 states and the District. Read related article.

In 1999, New York was the only state that reported human cases of West Nile virus (62). So far this year, the virus has infected nearly 2,000 people in 44 states and the District.
Source: Centers for Disease Control and Prevention. The Washington Post. Published on September 5, 2012, 6:42 p.m.
 
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