4 ms·

Didn't really answer my specific question...

• jwong_ 9y ago
  Someone else already answered it in a previous parent reply. > You compare populations. Did a group who got the vaccine have more problems than an otherwise identical group that didn't? This requires careful study design and statistical analysis, of course.
  • babyrainbow 9y ago
    Please take a look at my reply to this ^ comment. I think you might have missed it...
    • deleted 9y ago
      [deleted]