I love how, once again, the states are clueless, forcing companies to wash the eggs on one continent, and forcing them not to on the other continent. Another useless law, hampering the production of vital goods.
Likely varies across Europe. In the UK, 85% of eggs produced meet the Lion Mark standards, which includes mandatory Salmonella vaccination. Certainly appears effective:
> [T]he Food Standards Agency [...] in 2004 [...] tested more than 28,000 UK-produced eggs and no Salmonella was found inside any of them.
http://www.lioneggfarms.co.uk/information/british-lion-quali...