Yellow fever virus has destroyed armies and economiesIt killed 10 percent of Philadelphians in 1793In 1880s, Cuban doctor finally figured connection between mosquito, disease … Click to Continue »
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Sun, 02/07/2016 - 8:53pm
Yellow fever virus has destroyed armies and economiesIt killed 10 percent of Philadelphians in 1793In 1880s, Cuban doctor finally figured connection between mosquito, disease … Click to Continue »