Specialized mosquitoes may fight tropical disease (AP)

This 2006 photo made available by the Centers for Disease Control and Prevention shows a female Aedes aegypti mosquito acquiring a blood meal from a human host at the Centers for Disease Control in Atlanta. Scientists have made a promising advance for controlling dengue fever, a tropical disease spread by mosquito bites. They've rapidly replaced mosquitoes in the wild with skeeters that don't spread the dengue virus. The report is to be released in the Thursday, Aug. 25, 2011 issue of the journal Nature. (AP Photo/Centers for Disease Control and Prevention, James Gathany)AP – Scientists have made a promising advance for controlling dengue fever, a tropical disease spread by mosquito bites. They’ve rapidly replaced mosquitoes in the wild with skeeters that don’t spread the dengue virus.