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Every year, my team and I collect mosquitoes at about a dozen villages in Kayin state, Myanmar, a conflict zone near the Thai border. Run by the Shoklo Malaria Research Unit, based in Mae Sot, Thailand, it’s one of the largest operations of its kind in the world. It looks like I’m working alone in this picture. In reality, I’m with a team of about 50 people. Most of the collection is done by local villagers, and a lot of work goes into training, coordination and logistics.