What makes those special cases “special”, is there some germs that kill us while all the others are harmless ?
In: Biology
You are correct, some germ are harmless to us, or at least while our immune system is strong. It’s when your immune system is overwhelmed or unable to fight that infections take hold.
I’d say the thing with food poisoning is that the digestive tract doesn’t have the immune response present to fight against a possible infection. Bear in mind the tract is full of other microbes and food, so when a new microbe comes in it has it easier than through the skin.
People not only did from food poisoning. Infections, they kill a lot of people.
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