"Two years ago, an estimated 20,000 people in and around the city of Lahore contracted the deadly tropical disease. This year, the region has recorded just a few dozen cases of dengue fever, which usually involves a high fever, horrible headache, and severe bone and joint pain. What triggered the sharp decline in dengue cases? Fortuitous weather patterns may have helped to keep the mosquito population low. But many leaders also credit a mobile phone app — and the public health campaign that uses it."
I report for NPR's All Things Considered about this remarkable effort which many credit with preventing another deadly dengue epidemic in Pakistan's Punjab province. Tune in below, or read the article at npr.org.
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