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www.sciencemag.org/news/2019/05/...research-funds

In 1970, when David Warrell was a young hospital clinician in northern Nigeria, he faced three horrifying snakebite cases in quick succession that would change the course of his career. One man had stepped on a puff adder while getting out of bed. He arrived with a gangrenous leg and died of sepsis before Warrell could amputate. Another man was bitten by a saw-scaled viper while farming sorghum. He arrived bleeding from his mouth and urinary tract, and he soon died from massive internal bleeding. A third victim, a boy, was struck by a snake charmer’s Egyptian cobra. He was dead on arrival, after the snake’s venom progressively paralyzed his body, starting with his eyelids and ending with his breathing muscles. In no cases did Warrell have antivenom to administer as he helplessly observed deaths that he soon realized were common.