Raw food usually has bacteria on its surface. ... As the cooked food will not be cooked again the bacteria will then cause food poisoning. This danger also arises when food which is to be eaten raw (such as salads) comes into contact with contaminated foods. This cross-contamination is dangerous and can kill.

How dangerous is cross contamination?

Cross-contamination is dangerous as it can easily lead to food poisoning: an illness caused by consuming harmful bacteria, such as salmonella and E. coli. ... You must adopt safe food handling habits when preparing food, especially when handling raw meat, poultry, and seafood, which can easily carry salmonella and E.

What happens if you cross contaminate?

Cross-contamination is how bacteria can spread. It occurs when juices from raw meats or germs from unclean objects touch cooked or ready-to-eat foods. By following a few simple steps as you shop, store, cook, and transport foods, you can greatly reduce your risk of food poisoning.