It can also be inside the egg: "Salmonella also can contaminate the egg’s contents while it is forming inside the chicken before shells are formed. Today, a lot

It can also be inside the egg: "Salmonella also can contaminate the egg’s contents while it is forming inside the chicken before shells are formed. Today, a lot fewer egg-laying hens have this problem than during the 1980s and 1990s, so eggs are safer. But some eggs are still contaminated with Salmonella." https://www.cdc.gov/foodsafety/communication/salmonella-and-eggs.html https://www.cdc.gov/foodsafety/communication/salmonella-and-...