"smallpox"的搜索结果

process of producing smallpox vaccine in a west pakistan vaccine laboratory

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volunteer vaccinator was photographed as he was checking his vial of smallpox vaccine

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village resident was shown filling out the all important smallpox containment book

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team volunteers as they marched from house to house in search of any smallpox cases

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team vaccinator was in the process of checking the smallpox vaccination scar

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team field supervisor checking the smallpox containment book entries

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showed the man entering data into the smallpox containment register

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process of distributing smallpox information leaflets to a large group of villagers

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multinational group of smallpox eradication team members including local bangladesh volunteers

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examining the smallpox vaccination sites on the family members

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during the bangladesh smallpox eradication campaign

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discussing how to most efficiently deploy the smallpox eradication campaig

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community volunteer smallpox eradication team member collecting data

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checking the smallpox vaccination scar on this young childs left forearm

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boy was being vaccinated by a local volunteer smallpox eradication team member

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