[banana_giraffe]

Freakanomics recently did an episode on this:

https://freakonomics.com/podcast/water-water-everywhere-but-...

[greazy]

And the preprint https://www.medrxiv.org/content/10.1101/2022.10.28.22281553v...

Edit: this pre print is from more than a year ago! It was just published in Lancet https://www.thelancet.com/journals/lanmic/article/PIIS2666-5...