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In 1861, yellow fever struck the mississippi valley, hitting memphis, tn, most forcefully. half of the citizens fled and one-quarter of the remaining population died. historical records indicate that the epidemic ceased only after winter frosts arrived. why did the frost stop the epidemic? could yellow fever epidemics reappear in the u. s.?
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In 1861, yellow fever struck the mississippi valley, hitting memphis, tn, most forcefully. half of t...
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