. New Blood Tests Should Show How Long A COVID-19 Vaccine Will Protect You « JO LEE MAGAZINE

NPR – So researchers are trying to come up with tests that can be performed using a blood sample that will determine not only whether a vaccine will work but also for how long. One approach for determining these so-called correlates of protection is underway at the University of Oxford. Researchers there are deliberately exposing volunteers to the coronavirus. The volunteers are all healthy young adults who have previously gotten sick with COVID-19. “The reason we’re doing the study is that we expect to see some level of protection against reinfection,” says Helen McShane, professor of vaccinology and chief investigator for the project.

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