Those who survived COVID-19 and then got vaccinated have more durable antibodies, study finds – CTV

November 1, 2021

TORONTO — A study of nearly 2,000 vaccinated health-care workers, some of whom had contracted COVID-19, has found that those who survived the virus and then received an mRNA vaccine have a higher number of long-lasting antibodies.

The results of the study were described in a research letter published Monday in the Journal of the American Medical Association.

“This finding adds to our understanding of how immunity against SARS-CoV-2 works, and builds upon an earlier study by our team that showed the mRNA vaccines yielded a robust antibody response, even if a person did not develop significant symptoms following vaccination or did not have a prior SARS-CoV-2 infection,” Aaron Milstone, professor of pediatrics at the Johns Hopkins University School of Medicine and senior author of the study, said in a press release.

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