Where are you going?" I asked. "Grandfather and I could run any errand you need." "Not this errand, you couldn’t." Eliza reached for her pretty straw hat. "The Free African Society is having a meeting about the fever. It should prove a lively gathering."

Nonfiction: The Summer of the Pestilence

Our citizens continue still from day to day to flee, until now, I do not think that more than one-third of our white population remain in the city. Of the coloured people but few have gone, partly on account of the difficulty of getting away, but more especially because the yellow fever is a disease from which they have, comparatively, very little to fear.
In what way are the passages similar?