July 25, 2013 Dr. Roger Nasci, a mosquito expert at the Centers for Disease Control and Prevention, says you don't necessarily need repellent with a high percentage of DEET to keep the 'skeeters away. Repellent still works well in low doses, and so far mosquitoes aren't growing resistant to it.
July 17, 2013 Public health officials thought West Nile virus was history. But in 2012, the virus struck back, sparking a major outbreak around Dallas that killed 19 people and left hundreds more disabled. Scientists say they've discovered key clues in the Dallas outbreak that could help predict future outbreaks.
November 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.
September 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.
August 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.