AMERICA's HIDDEN STORIES
PANDEMIC 1918
https://www.smithsonianchannel.com/shows/americas-hidden-stories/pandemic-1918/1005729/3469170
Watching this episode now.
Well worth a watch.
Sounds like the "Spanish" flu may have started in the Midwest, spread via railroads (troop movements) as 4,000,000 U.S. soldiers traveled to fight in WWI.
One Doctor in episode mentioned "Social Distancing" was one thing not available during that time.
On TV APR 06/07 MAY 18