Aedes

The mosquito Aedes aegypti sucks the blood of people from all over the tropics, and exchanges it for the virus that causes dengue fever - a disease that afflicts 40 million people every year. The mosquito has proven to be a tough adversary and efforts to drive it from urban settings have generally failed in the long-term. So how do you fight such an accomplished parasite? Simple - use a better parasite. In fact, try the most successful one in the world, a bacterium called Wolbachia. Wolbachia's success rests on two traits. First, it targets the most diverse group of animals on the planet,…