In this case study, we will look at how a Peace Corps health team could use Map Mavin to more effectively implement a spray campaign for the prevention of malaria in a tropical setting.

“Not spending weeks on training people to use complicated spatial software means more time left to work out in the field and focus on the tasks that matter most.”



A team of Peace Corps volunteers are on the ground in central Mozambique, traveling from hut to hut to determine whether or not a house is need of and qualified for the reception of a spray treatment designed to prevent the spread of malaria. While the Peace Corps are responsible for deciding if the home will receive the treatment, the volunteers do not actually provide or apply the spray themselves. This is the responsibility of a US-based pesticides team that will be deployed once the Peace Corps volunteers have selected the houses to be treated. The problem is how to best inform the US team, which will not arrive for weeks, as to where they need to go with limited maps, hard-to-navigate roads and a significant language barrier.


Using Map Mavin, the Peace Corps team is able to log in and create points over each home that requires spray treatment. The team decides to make the points large and transparent so that the building footprints can still be seen, making it easier to navigate around the homes on the ground. While it may appear at first glance the best route to each hut is via the main road at the center of the map, the volunteers on the ground are aware of the changes that recent heavy rains made to the route. Instead, they use the Map Mavin redlining tool to plot a safe and navigable route between each of the houses in need of spraying.

The Peace Corps team is easily able to communicate specific directions for navigation.

While making all these edits on the map, the Peace Corps team is simultaneously using Map Mavin’s Screen Share to share their map with the US-based pesticide team. With the ability to share screens and chat live with other users around the world, the Peace Corps team is easily able to communicate specific directions for how best to navigate and enter each house; and the US team is, in turn, able to ask them any unanswered questions.

Weeks later, the US pesticide crew arrives in Mozambique, equipped with their saved Map Mavin map detailing exactly how to get to each spray location without having to worry about treacherous roads, language barriers and any other hazards the volunteers noted.


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Map Mavin allows users to make effective maps quickly online and without the need for a desktop program. These maps can be shared live with other users across the globe, bringing a new degree of collaboration to online mapping and opening a whole new realm of potential opportunities to work with spatial data in real time.


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