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The mystery of 'long COVID': up to 1 in 3 people who catch the virus suffer for months. Here's what we know so far

By Vanessa Bryant, Laboratory Head, Immunology Division, Walter and Eliza Hall Institute
Alex Holmes, Associate Professor, Psychiatry, The University of Melbourne
Louis Irving, Associate Professor of Physiology, The University of Melbourne

While we don't know exactly what causes it yet, there are a few leading theories put forward by researchers around the world.

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