...that in the name of science,
AmericannurseClara Maass(pictured) volunteered to be bitten by
yellow fever-carrying
mosquitoes seven times, caught the disease twice, and ultimately died from it?
...that in the name of science,
AmericannurseClara Maass(pictured) volunteered to be bitten by
yellow fever-carrying
mosquitoes seven times, caught the disease twice, and ultimately died from it?