I mean common cold has been around for a long time. How has the immune system not learned how to fight it?
In: Biology
The ‘common cold’ is a virus. Viruses are creatures, same as you and me. Viruses infect other creatures in order to survive and procreate. Our bodies do their best to become resistant to viruses so we survive and can procreate, and viruses do their best to overcome that resistance so they survive and can procreate.
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