How do you find out if a vaccine will work?

Why a vaccine effectiveness study should be double-blinded, randomized controlled trial? How do you calculate the effectiveness of a vaccine and what does it mean in the real world?

Lately, two major companies (Pfzier and Moderna) announced results of their vaccine effectiveness, both claiming to be over 90% effective from interim results of their phase 3 trials. At the time of writing this, there are 13 phase 3 trials currently…

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Ahmar Shah, PhD (Oxford)

Ahmar Shah, PhD (Oxford)

Scientist (several research publications in prestigious journals such as The Lancet, Brain, Thorax, IEEE Transactions), love writing for meaning & impact…