Question

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.

Answer 1

c

Step-by-step explanation:

mosquitoes breed in stagnant water. in October and November, Frost's came and froze the water and stopped the breeding of infected mosquitoes.