Victims suffered from jaundice, high fever and black vomit ... But increased mobility in the period after the Civil War enabled the disease — through infected carriers — to travel farther ...

During the Civil War, the Union establishes blockades of southern ports, which reduces trade with the Caribbean and South America. Possibly as a result, yellow fever kills only 436 of the 233,786 ...

Yellow fever killed more than 150,000 people in New Orleans between the Louisiana Purchase in 1803 and the Civil War, according to Olivarius. “Once you see it, every single source is covered ...