LONDON—The University of Oxford said on Monday it has launched a trial in which people who have already had Covid-19 are deliberately reinfected.
The carefully controlled study will look at the kind of immune response mounted by the volunteers.
The scientists will know “exactly when the second infection occurs, and exactly how much virus they got,” Helen McShane, a professor of vaccinology, said in a statement.
She said the trial “may help us to design tests that can accurately predict whether people are protected” after a prior infection.
Anyone who suffers symptoms will receive the Regeneron antibody treatment used to treat Covid-19 patients.
The University of Oxford’s…
Keep on reading: Oxford studying people deliberately reinfected with COVID-19 virus