Spectrum podcast: How our immune memory works

Spectrum podcast: How our immune memory works

Humans have a type of immune memory: our body’s defenses can often remember pathogens for years. In some cases, the immune system even remembers the attacker for life. This gives the human body a decisive advantage over viruses, bacteria, and the like: because it already knows pathogens, our immune system can react quickly and thus prevent a serious illness.

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