CDC's Redfield says 'the most difficult' months in health history loom
cnbc.com
cnbc.com
http://physics.bu.edu/~redner/projects/population/cities/phi...
https://www.pbs.org/wgbh/americanexperience/features/fever-m...
I’m guessing other order-of-magnitude or greater events can be found in US history. Battlefield deaths were also atrocious before sulfa drugs and the like.
Would normally be a bit pedantic, but the title does say “most difficult months in US health history”, a pretty high standard to meet.