Making use of cell phones to track calls and messages, researchers from Harvard School of Public Health have managed to create map of how malaria spreads.

“It was thought that both the coastal and Lake Victoria region contributed to the spread of malaria. But travel around the coast wasn't a major source for spreading the parasite. Most people who carry the parasite are asymptomatic. But when they get bitten, they transmit the parasite to other mosquitoes”, lead researcher Caroline Buckee said, adding that she hoped their findings could one day be used to develop an alert systems through phones.
Source-Medindia