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May 11, 2021 American doctor and epidemiologist Jonas Salk, who developed the first vaccine against poliomyelitis, looks on as a colleague gives the injection to a woman. Keystone/Getty Images From primitive inoculation techniques to using DNA and mRNA technology, vaccines for the deadliest diseases have come a long way in the past few centuries. Today, people all over the world are alive thanks to these colossal strides in public health. Here are 11 vaccine innovators you should know. 1. Onesimus // Smallpox Onesimus, an enslaved African man, introduced the concept of variolation (a primitive method of immunizing against variola, the smallpox virus) to the Puritans in colonial Boston. In the early 1700s, while still in West Africa, Onesimus had undergone an unusual medical experience: He had pus from an infected person rubbed into an open wound on his arm to ward off disease. This technique was employed in Africa, Turkey, and China to inoculate healthy individuals against serio

New yorkUnited statesFrance generalAlbert sabinRichard mulligan paul bergTim nwachukwuGaby gettySarah nelmsJames phippsKizzmekia corbettCotton matherMaurice hillemanLouis pasteurJonas salkNew york timesInfectious disease vaccine research center