Rapid antigen testing isn't perfect. But it could be a useful part of Australia's COVID response

By Deborah Williamson, Professor of Microbiology, The Peter Doherty Institute for Infection and Immunity
Sharon Lewin, Director, The Peter Doherty Institute for Infection and Immunity, The University of Melbourne and Royal Melbourne Hospital and Consultant Physician, Department of Infectious Diseases, Alfred Hospital and Monash University, The Peter Doherty Institute for Infection and Immunity

The evidence suggests antigen tests are most accurate when the viral load is highest and when a person is likely to be most infectious.

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