I funded a disease modeling group that uses computer simulation and that work has been phenomenal in helping us target our polio eradication resources – which parts of nigeria should we work harder on?
Jean Liu: And they all say why don't you -- you know, come toour city and let's do it together, right, because it cures congestion, it cures pollution, it's good.
So in temperate climates, fewer mosquitoes end up carrying the infectious form of the parasite than in the tropics, and, as a result, eradicating malaria has just been easier to do in temperate places.