A possible flaw with the single-dose idea: What would the comparison group be for these trials? If it's unethical to deny placebo-takers the vaccine, wouldn't it also be unethical to deny two doses to a single-dose taker if the latter provides better protection? 1/2
Of course. In fact, one of the motivations for getting ahead of this by calling for a trial/study is that there are powerful politicians already advocating for this *without a trial.* Also some people may be denied a vaccine till 2022 due to shortage.
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Why didn’t your op Ed discuss the current single dose trial being done by J&J. Your op-Ed paints a picture of something that’s not happening at all.
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