WHAT? Oh! I (b 1938) was alive. And I was ashamed (2020) to learn my great grandfather survived yellow fever(1866) by not visiting USColored Troops under his care. see markerP.S. If you didn't click the video, go back. Watch the whole thing. It's short. It's sharp, the point of watching it 82 years after it was created, man made, to create what?