Immune System & Disease

30 Facts About the Immune System That Make It Sound Like a Living Army

Fact 1 of 303%

Your immune system maintains a personal memory bank of every defeated enemy.

A B cell preparing to generate specific antibodies.

Memory cells function as a biological library of past infections. These cells can survive for decades to ensure a rapid response if the same pathogen returns.

"Memory cells can recognize a virus decades after the first exposure."

This process is the fundamental basis of how vaccines protect the human body from disease.

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