Final answer:
Salmonella and Listeria are disease-causing bacteria that may be found in shell eggs. Proper cooking of eggs and handwashing can reduce the risk of infection.
Step-by-step explanation:
The bacteria that may be found in shell eggs and cause disease include Salmonella and Listeria. Salmonella is commonly found in the intestinal microbiota of poultry and can contaminate eggs and cause infections. Listeria can be found in raw and undercooked meats, soft cheeses, and ready-to-eat deli meats, and it can also contaminate eggs. Proper cooking of eggs and thorough handwashing can greatly reduce the risk of bacterial contamination and illness.