Health promoters working together on a puzzle
Delma and Michaela sampling water from Totolya
Clara sampling water from Panimaquip
Water samples from six outlying communities and San Lucas (Lago Atitlan) undergoing a 24 hour incubation with a yellow powder that turns black in the presence of coliform bacteria.
Teaching about malaria
Vicente proudly displaying his "clean water" result from Quixaya
Class of second year promoters and their instructors, Vicente and Dominga
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