UK-based challenge study to re-expose healthy adults to COVID-19 – PMLiVE

A new UK-based human challenge study will expose healthy volunteers who have previously had COVID-19 to the virus again, in a bid to gain a deeper understanding of immunity against the novel disease.
The study, based at the University of Oxford and funded by the Wellcome Trust, is seeking to understand how the immune system reacts to a second infection of COVID-19, and will also consider what kind of immune response can prevent a person from becoming re-infected.
It will be conducted in two phases,…

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