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akvadrako
5y ago
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Of course there is. It’s a lot easier to say something has no harmful side effects if patients are observed for longer after taking it.
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rawfan
5y ago
There is no base to this being done. What they are doing is starting phase 2 and phase 3 trials on vaccines that haven’t survived phase 1, yet. Under normal circumstances this would be extremely uneconomical.
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