>>1689104In the us we wash our eggs before they're brought to market, this makes them sterile, but also removes their protective cuticle making them more prone to bacteria later down the road which is why Americans refrigerate.
Most other countries don't and rely on the natural protective qualities of the eggs cuticle to protect it. Less risk of contamination later in the eggs lifespan, but could be pre infected from conception with no opportunity to purify.
>Tl;dr depends where you bought your egg 
