Limited to one nation with no exit and entry traffic it would be totally effective to vaccinate and it's done.
The world unfortunately is much larger than just the US and there are places every disease still incubates awaiting a population not immune to them.
Good thought to shame those you see as causing the problem to continue. But as long as travel between nations is allowed, still not totally effective.
The world unfortunately is much larger than just the US and there are places every disease still incubates awaiting a population not immune to them.
Good thought to shame those you see as causing the problem to continue. But as long as travel between nations is allowed, still not totally effective.
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