Well if you're saying it's not possible to introduce a trace
Posted on: September 14, 2023 at 15:05:25 CT
TrumpToRushmore MU
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amount of something that creates a reaction in the immune system so that the defeat of that particular thing is then 'remembered' so that it can be defeated when encountered again then fire away.
What is the immune system, how does it work and what is a vaccine?