May, Wednesday 19th., 2021
There is an active Immune System in Humans.This Human Immune System has a long term memory. This memory is achieved by keeping the copies of the cells that have resisted or encountered some antigen and responded to it.So our body keeps copies of the cells that fight against someone, the antigen, and uses them in the future.
Innate Immune System Reprogramming By Pfizer-BioNTech Vaccine Against SARS-COV-2?
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