Accidental covax injection into blood vessels cause vessel and heart inflammation and damage. Injections need to include slight plunger withdrawal, first before plunger depression to verify needle is not in blood vessel. Incidentally, China enforces this technique; while UK and USA don't practice it at all.
This assumes the covax offers a net benefit. In any event, first do no harm. Including minimizing avoidable risk and damage; if the goal is improved health...
This assumes the covax offers a net benefit. In any event, first do no harm. Including minimizing avoidable risk and damage; if the goal is improved health...


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