inoculation

  • How The Salem Witch Trials Prevented Vaccinations

    How The Salem Witch Trials Prevented Vaccinations

    In 1721, the first known inoculation in America took place. It was conducted with the enthusiastic support of a man whose previous passion included finding, interrogating, and — if need be — hanging witches. And the backlash from the Salem Witch Trials made it difficult to convince people that inoculation worked.