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these were the tools used by the pakistani malaria control team when they were mixing malathion powder

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these malaria control workers whod been spraying malathion to combat mosquito populations

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these are mosquito fish of the genus gambusia native to the southern united states

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these were field clinicians during the world wide smallpox eradication efforts

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these tracks in snow were made by a deer mouse peromyscus maniculatus

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these people receiving smallpox vaccinations

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these nigerian women were about to receive smallpox vaccinations

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these rondavals huts were located at a victoria falls hotel in rhodesia1

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these rondavals huts were located at a victoria falls hotel in rhodesia

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these are healthcare practitioners during the smallpox immunization program in bangladesh

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photograph captured these children peering

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these bangladesh men who were residents of this thana

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these bangladesh men were photographed while they discussed

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these students in bong county liberia study by candlelight

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oil will be extracted from avocados like these to be used in cosmetics and then exported

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