October 31, 2012
Pakistan Uses Smartphone Data to Head Off Dengue Outbreak
Algorithms tell government workers where to seek out the telltale mosquito larvae that causes the disease. MIT Technology Review reports.
Last year, the city of Lahore, Pakistan, was hit with the worst outbreak of dengue fever in its history. The mosquito-transmitted disease infected some 16,000 people and took 352 lives. This year was a completely different story. There were only 234 confirmed cases and no deaths. The magnitude of the disease varies year to year, but some of the turnaround could be credited to a new system of tracking and predicting outbreaks in the region.
Researchers working for the Pakistani government developed an early epidemic detection system for their region that looked for telltale signs of a serious outbreak in data gathered by government employees searching for dengue larvae and confirmed cases reported from hospitals. If the system’s algorithms spotted an impending outbreak, government employees would then go to the region to clear mosquito breeding grounds and kill larvae. “Getting early epidemic predictions this year helped us to identify outbreaks early,” says Umar Saif, a computer scientist at the Lahore University of Management Sciences, and a recipient of MIT Technology Review's Innovators Under 35 award in 2011.
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