First preface with the Dodd Report
https://m.youtube.com/watch?t=24m24s&v=YUYCBfmIcHM
Now, the Spanish influenza was actually quite mild and didn't kill many, most of the deaths were due to a secondary bacterial pneumonia.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2599911/
https://wwwnc.cdc.gov/eid/article/14/8/07-1313_article
Another thing not mentioned much outside of medical journals is that many of those solders where given all sorts of experimental vaccines before being shipped overseas
*Conducted in part by The Rockefeller Institute for Medical Research
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2126288/pdf/449.pdf
In fact the flu may have started with the soldiers in the US before they even went to the war.
http://www.pbs.org/wgbh/americanexperience/features/influenza-first-wave/
Then we can see how closely tied this epidemic was to the war.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2862337/
Oh and here's some icing for the cake…
https://thetakeout.com/how-wwi-food-propaganda-forever-changed-the-way-america-1798259481
Not to mention the Flexner report.
*funded by Carnegie
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3178858/
http://archive.carnegiefoundation.org/publications/pdfs/elibrary/Carnegie_Flexner_Report.pdf
Now to the current day with Event 201 and the new "great philanthropist's" bill gates and george soros.
This is likely the test run of simulation lockstep courtesy of the Rockefeller Foundation
https://archive.org/details/pdfy-tNG7MjZUicS-wiJb/page/n18/mode/2up