Using 1,500 Android phones, govt workers in the region tracked the location and timing of confirmed dengue cases and the mosquito larvae that carry the disease. Each case was tagged by time and location. If a certain neighborhood is suspected to be at the beginning of an outbreak, then government officials could search out mosquito-larvae reservoirs such as pools of water that are likely causing the problem.Technology Review: Pakistan Uses Smartphone Data to Head Off Dengue Outbreak
Last year, Lahore 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.