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Start Over Collections Medicine in the Americas, 1610-1920 ✖Remove constraint Collections: Medicine in the Americas, 1610-1920 Subjects Smallpox Vaccine ✖Remove constraint Subjects: Smallpox Vaccine Titles A treatise on cow-pox: in which the existence of small-pox, or varioloid in any form, subsequent to vaccination, is shown to arise from some imperfection in its performance, and not the result of inefficacy on the part of the vaccina to shield the system entirely from these diseases ✖Remove constraint Titles: A treatise on cow-pox: in which the existence of small-pox, or varioloid in any form, subsequent to vaccination, is shown to arise from some imperfection in its performance, and not the result of inefficacy on the part of the vaccina to shield the system entirely from these diseases Dates by Range 1800-1849 ✖Remove constraint Dates by Range: 1800-1849

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  • A treatise on cow-pox: in which the existence of small-pox, or varioloid in any form, subsequent to vaccination, is shown to arise from some imperfection in its performance, and not the result of inefficacy on the part of the vaccina to shield the system entirely from these diseases1