A member asked:

What is the nk cell, and why is it so important?

A doctor has provided 1 answer

Natural killer cells: Natural killer, a white blood cell, cells are rapid responses to virally infected cells and respond to tumor formation, acting at around 3 days after infection. This is one of our first lines of defense for infection and cancers. Without this our body is much more prone to infection.

Answered 1/5/2019

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