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The possibility that a vaccine that has not shown any serious sideeffects until now will disable 20% of people getting it is extremely low. And you make the typical mistake of forgetting to weight vaccine risks against the risks of not vaccinating.

Is this possible that a yet completely unknown sideeffect that hasn't shown up until now will suddenly appear? Yes. Is it likely? No, absolutely not.

Is it possible that a mutated strain of Covid-19 will disable 20% of medical personel? Yes. Is it likely? No. But still: It's much more likely than a vaccine that has not shown any serious adverse events until now doing this.

That's why we run trials. Over 20,000 people got this vaccine months ago, and have been carefully followed since. If it was going to wipe out 20% of people one month after injection we'd know already.

Are you confusing medical trials with the vaccine rollout? The first vaccine was given March 16th.

This is not how any of this works...