I get that this post is on washing the eggs but I'm surprised no one has mentioned that the best protection against sickness is cooking the eggs....I don't wash eggs but I use a bit of sandpaper to remove stubborn dirt on the eggs I sell. The rest go in the fridge and we just make sure to cook them well. If you were making stuff like ice cream( A popular recipe in my area is cracking raw eggs in to make it thicker

needless to say we don't make ours that way) I could understand washing them before using them.