Yes
Yes
Yes
Living things adapt. Viruses adapt very quickly. Vaccines inconvenience viruses, which adapt to work around them. "What does not kill us makes us stronger" (that's what the viruses chant when they hold a pep rally).
From what I have read and seen with my own eyes, vaccines just lead to crippled immune systems, which in turn rekt by the diseases they're supposedly inoculated against even harder than if people had just kept their blood clean.
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