FOOD TECHNOLOGY

Detailed explanation-1: -undercooked ground beef or raw (unpasteurized) milk, but E. coli O157 can be passed directly to people from the stool of young calves and adult cattle. E. coli O157 also can be spread from person to person, particularly in places where frequent and close contact between people occurs, such as day-care facilities.

Detailed explanation-2: -E. coli, a germ often found in raw ground beef, causes many foodborne illnesses each year. Hamburgers made from ground beef are often the source of these germs. These germs can make people sick if burgers are undercooked (not cooked to a high enough temperature to kill the germs).

Detailed explanation-3: -E. coli O157:H7 is transmitted to humans primarily through consumption of contaminated foods, such as raw or undercooked ground meat products and raw milk.