On this day in 1900, army physician James Carroll deliberately allowed an infected mosquito to feed on him, in order to help prove that mosquitoes were the vectors of yellow fever. He developed a severe case of the disease.
On this day in 1900, army physician James Carroll deliberately allowed an infected mosquito to feed on him, in order to help prove that mosquitoes were the vectors of yellow fever. He developed a severe case of the disease.
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