How does salmonella contamination occur in eggs and how can it be prevented?

Salmonella contamination in eggs can happen in two main ways. First, chickens that carry Salmonella can pass the bacteria to the eggs before the shells form. Second, eggs can get contaminated after they are laid if they come into contact with surfaces that have Salmonella.

Prevention Tips:

1. Cook Eggs Thoroughly: Make sure eggs are cooked until both the yolk and white are firm. This kills any Salmonella that might be present.
2. Refrigerate Eggs: Keep eggs in the refrigerator to slow down the growth of bacteria.
3. Avoid Cross-Contamination: Use clean utensils and surfaces when handling eggs to prevent spreading bacteria.
4. Buy Pasteurized Eggs: These have been treated to kill bacteria and are safer to eat, especially in recipes that call for raw eggs.

Following these steps can greatly reduce the risk of getting sick from Salmonella in eggs.