Director / Editor: Victor Teboul, Ph.D.

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Independent and neutral with regard to all political and religious orientations, Tolerance.ca® aims to promote awareness of the major democratic principles on which tolerance is based.

Human challenge studies: what we've learned from intentionally infecting people with COVID

By Simon Kolstoe, Reader in Bioethics, University of Portsmouth

As it became clear that the solution to the COVID pandemic would come from medical research, many people volunteered for human challenge trials.

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