The Spanish Flu began in Kansas...or at least the first documented case...likely jumping from chickens or pigs and then hitting barracks on Fort Riley when farmers were drafted.
They all got shipped to Europe…and that's where things really took off.
kansasOne of the deadliest flu outbreaks in history began in KS and quickly spread to troops at Fort Riley training for WW I. Within months, at least 20 million people worldwide had died in the 1918 influenza pandemic.
https://www.kansas.com/news/state/article200880539.html[https://amp.kansas.com/news/local/article200880539.html]