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Névjegy:
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Perchance have you formerly suffered through a cold virus? Perhaps did you recover from it? Of course you recovered! You can't heal a cold itself, but your immune system generally develops immunity to a certain cold virus within several weeks. That is called healed by your own immune system!
Adults have actually currently had a great deal of the runny nose viruses. Adults have acquired resistance to the ones they have suffered from. Therefore there are not so many cold viruses existing for grownups to acquire. That is why adults only get infected with a couple of runny noses annually and youngsters succumb to a dozen runny noses per year.
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