Yellow fever was a virus that was carried and transferred by mosquitoes, much like malaria today. October is known for her early frosts and that, in 1793, is what finally killed off
mosquito population. Philadelphia
“Yellow fever breaks out in
Day in History, 1793. History.com. Philadelphia
On This Day is a prompt to further explore historical events.
© Jeanne Ruczhak-Eckman, 2015