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History, 19.05.2021 01:40 hi510hello

How did the 1793 yellow fever epidemic end? A. Doctors invented a cure for yellow fever which was given to all infected citizens.
B. All unaffected citizens took the yellow fever vaccine, so the disease became extinct.
C. Cold October weather killed the mosquitoes, so the disease stopped spreading.
D. Citizens fled to the countryside and waited to return until the disease died out.

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