Every Saturday on the outskirts of the small town of Luwanga, Zambia, hundreds of women walk along a dusty road that is barely more than a path to the riverbank. About a year ago, a sign appeared at the side of the road informing people that a new form of contraception was available in town.
Zambia is making progress toward reaching epidemic control and the global 90–90–90 goals. However, an increasing number of new infections among adolescent girls and young women threatens this and places new importance on finding and reaching their male sexual partners.
We set out to better understand whether smaller vaccine vial sizes could affect immunization coverage, timely coverage, and other factors in 14 districts of Zambia’s Central and Luapula Provinces.
It’s been a couple hundred years since Dr. Snow plotted cholera deaths on a simple map; one of the earliest examples of data visualization and epidemiology. But using maps, geo-spatial data and geographic information system data is trendier than ever. Think: satellites, drones, smart phones. These powerful technologies offer billions of pixels worth of data that many industries have only just tapped into as a resource.