Have you ever thought about where an egg comes from? Let’s just say if you are using fresh from the farm eggs you best wash your hands.
When separating eggs in cooking it is a good idea to separate them using your hands rather than the shell to shell trick. If you have a contaminated egg you risk contaminating you dish with salmonella. This is no reason not to use eggs, but just remember that like meat, they are a high risk product so need to be treated with care. And above all, wash your hands when dealing with fresh eggs.