https://www.npr.org/sections/thesalt/2014/09/11/336330502/why-the-u-s-chills-its-eggs-and-most-of-the-world-doesnt#:~:text=Cooking%20usually%20kills%20the%20bacteria,hens%20are%20vaccinated%20against%20salmonella.

Salmonella is 50x less prevalent in the EU because they vaccinate their chickens against it. The reason they vaccinate is because they do not wash the eggs.