west nile virus
Nov 7, 2012 — Even as winter approaches, mosquitoes are still spreading West Nile virus in the U.S. The Centers for Disease Control and Prevention says more than 5,000 cases have been reported so far this year.
Sep 12, 2012 — The Centers for Disease Control and Prevention is confident the nation has turned the corner on its worst-ever epidemic of West Nile virus disease. Next, scientists will try to figure out what made 2012 so bad.
Aug 29, 2012 — Every state except Alaska and Hawaii has reported West Nile virus in people, birds or mosquitoes. The Centers for Disease Control and Prevention expects human cases will rise through October. In Texas, the worst-hit state, deaths reached 31.
Aug 2, 2012 — An unusual number of severe West Nile cases has prompted a warning from federal health officials. Most of the cases have occurred in just three states — Texas, Mississippi and Oklahoma — but cases are occurring throughout the country.