Question:
why the concept of memory in acquired immunity does not apply to every disease.......I meant to say that chicken pox can happen only once due to memory but why other desease happens repetitively....why they don
Answer:
Chicken pox is caused by the varicella virus. After first time attack on the host, it leaves its prototypes which stay for a long time in the host body and mean time our body builds up with antidots for that.
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