In clinical trials certain trials are double blinded to make sure there's no bias

Half could be taking the vaccine, half a placebo.

Psychological reactions are also important for researchers.

In some trials patients are randomised and given a different Sub ID at visit 2 to keep the anonymity.
In one trial, even the drug information can be randomised so even the doctor is unaware which drug or placebo is in the cryovial/edta

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Posted By: Lentil Weaver on October 13th 2020 at 13:57:39


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