Health
Reinfection in COVID-19 – Pursuit
SARS-CoV-2 mutational ‘bar codes’ can be used to test whether someone has been reinfected by COVID-19 virus says University of Melbourne expert Peter Doherty

Professor Peter Doherty AC
This article is the latest in a series of weekly columns about all things infection and immunity written by Nobel Laureate Professor Peter Doherty for the Doherty Institute, Setting It Straight.
Among the most frequently asked questions regarding immunity to the SARS-CoV-2 virus that causes COVID-19 is: how long does protection last?
People are wondering if they can contract a COVID-19 infection a second time. Picture: Getty Images
So far, that question has been r…
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