It's basically a dead or really weakened version of the disease that's placed in your body, so your body learns how to fight that disease without getting sick I'm probably not explaining it well because, I mean, I'm not a doctor, but that's the general idea?
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It's basically a dead or really weakened version of the disease that's placed in your body, so your body learns how to fight that disease without getting sick
I'm probably not explaining it well because, I mean, I'm not a doctor, but that's the general idea?