Portal:Philadelphia/Did you know?/October 2008
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![Multiple yellow fever virions (234,000x magnification)..](http://upload.wikimedia.org/wikipedia/commons/thumb/4/45/YellowFeverVirus.jpg/40px-YellowFeverVirus.jpg)
...that the Yellow Fever Epidemic of 1793 claimed 5,000 lives in Philadelphia, about 10% of the city's population?
...that the Yellow Fever Epidemic of 1793 claimed 5,000 lives in Philadelphia, about 10% of the city's population?