At least, I’d wager most people know that E. Coli is dangerous[0], which has about the same effect.

0: ignoring the subtleties of gut bacterial ecosystems

I think you would be surprised. I've come to realize there are very few things I would truly be on most people knowing.

What obmelvin said in this subthread:

https://news.ycombinator.com/item?id=25042243