Onesimus, a Boston enslaved man, saved hundreds of people from the horrors of smallpox in 1721. His contributions to science reverberate to this day b/c his knowledge led to what became the 1st vaccine-related study in America. Onesimus’s story illustrates the degree to which reputable men of science de­pended on the testimony & experience of Africans in dealing with a dreaded disease.

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@Deglassco Thanks so much for sharing Onesimus's story!