Commentary
Randomized controlled trials show all-cause mortality reduction from the Covid adenovirus-vector vaccines (RR=0.37, 95 percentCI: 0.19-0.70) but not from the mRNA vaccines (RR=1.03, 95 percentCI 0.63-1.71).
That is the verdict from a new Danish study by Dr. Christine Benn and colleagues. Have people been given vaccines that don’t work (Pfizer/Moderna) instead of vaccines that do work (AstraZeneca/Johnson & Johnson)? Let’s put this study into context and then delve into the numbers.
In medicine, the gold standard for evidence is randomized controlled trials (RCT), as they avoid study bias for or against the vaccine. Moreover, the key outcome is death. Do these vaccines save lives? Hence, the Danish study answers the right question with the right data.
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