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An example of successful, community implemented drain rehabilitation. A: Utofu salt marsh at the north-eastern end of Tanga, Tanzania. Insert is a hoof print harbouring a larva (blue arrow) and five pupae (red arrow) of Anopheles merus. Two to three boarding students were reported to die every year of high fever in Galanos High School on the hill shown on the background. 5B: One week after excavation of drains by community members assembled by the school.
