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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.

When will we reach herd immunity? Here are 3 reasons that's a hard question to answer

By Julie Leask, Professor, University of Sydney
James Wood, Public health academic, UNSW
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Once we achieve herd immunity, people who are not vaccinated benefit indirectly from the immunity of those around them. But it’s not easy to say exactly when we’ll reach this threshold for COVID-19.


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