[adrianN]

Proper sanitation has saved more lives than vaccines and antibiotics. Check for example this well researched Quora answer: https://www.quora.com/How-much-have-sanitation-vaccination-a...

[caconym_]

"Proper sanitation" includes much more than just hand washing (e.g. properly disposing of urine and feces rather than throwing them into the street), so you're refuting a statement that I never made.

If you can disentangle hand washing from the effects of modern sanitation in general, I'm interested to hear more.