Fully vaccinated people who catch Covid, as well as those who had the disease prior to the jabs, get rewarded with the best immune responses, a new study has found.
Oregon Health and Science University (OHSU) researchers took samples from 104 people, double-jabbed with the Pfizer vaccine. Forty-two of them had never tested positive for Covid, 31 were vaccinated after an infection, and 31 had “breakthrough” infections following the vaccination.
After the scientists exposed the volunteers’ blood samples to the Alpha, Beta, and Delta variants of Covid-19, they discovered that the combination of vaccine and natural immunity creates antibodies “at least 10 times more potent – than immunity generated by vaccination alone.”
As a result, the scientists concluded that “additional antigen exposure from natural infection substantially boosts the quantity, quality, and breadth” of immune response to the disease, “regardless of whether it occurs before or after vaccination.”
“In either case, you will get a really, really robust immune response – amazingly high,” co-senior author Fikadu Tafesse, who is an assistant professor of molecular microbiology and immunology in the OHSU School of Medicine, said.
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