• tookmyname@lemmy.ml
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      1 year ago

      First step is testing safety. Then you give it to a much larger group to establish the level of effectiveness, since you need a lot of data to establish that. After the effectiveness is established you would declare it safe AND effective.

      SMH. Can’t imagine how that’s not obvious.

    • bedrooms@kbin.social
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      1 year ago

      It’s the WHO who declared this safe in this writing. Obviously, there have been other authorities that approved the vaccine before injecting it to that million people.