This woman and her daughter who live in a hut in plain jungle are being vaccinated against small-pox for the first time in their lives. As it can be seen, their arms are free from previous vaccination scars. Bahia, Brazil. Photo by PASB/WHO

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Photo credit: © PJF Military Collection / Alamy / Afripics
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Keywords: agency, airforce, armed, army, brazil, conflict, development, forces, health, international, marines, military, navy, states, united, usa, usaid, war