Cohort Multiple Randomised Controlled Trials of vaccines with subset of volunteers Not injected with Placebo - have any been published?

14 November 2022 1 3K Report

I wish to test the Hypothesis that Placebo jabs cause a weakened Immune System, leading to higher incidence of Covid19 infection.

The clinical trials I have seen had 2 subsets of volunteers, one receiving injection of the Test substance and the other an injection of a Saline Placebo.

Given that Nickel and Chromium from the needles used are likely to induce Allergic reaction in a significant percentage of the population, it would be useful to have a 3rd cohort, matched to the rest, but simply observed and receiving neither the Test substance nor Placebo.

Have any such trials been published?

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