[blippe]

The rate of infections are very diverse in Europe. In Scandinavia it is extremely low, they test the chickens several times during their lifetime and kills the whole flock if any of them is contaminated. Until they joined the EU all eggs were "washed" which removed other unwanted pathogens. The EU forced them to accept unwashed eggs and allowed them for the time being to continue selling washed eggs. Most other countries does not use such draconian methods to their farming and the washing of eggs removes a thin membrane which gives some protection from salmonella travelling between the eggs.