If heat kills bacteria, why does cooking and eating expired food still make you sick

Question

Surely the bacteria that grew after the expiration date will have been killed in the cooking process?

In: 15

Answer 1

When you cooked your food, you killed all the bacteria on it. You didn’t kill all the bacteria on your plate or your utensils. You didn’t kill all the bacteria on the container you stored your leftovers in. Bacteria, and fungal spores, are everywhere and on almost everything.