Final answer:
Pasteurized eggs must be used when prepping raw or undercooked dishes for high-risk populations to reduce the risk of foodborne illness.
Step-by-step explanation:
The type of eggs that must be used when prepping raw or undercooked dishes for high-risk populations are pasteurized eggs. Pasteurized eggs have undergone a process called pasteurization, which involves heat treatment to kill any potential bacteria, including Salmonella. By using pasteurized eggs, the risk of foodborne illness from consuming raw or undercooked dishes is significantly reduced