First Dose of Pfizer Vaccine Increases Antibodies in Those with Prior COVID Infection

August 16, 2021

A team of doctors affiliated with the Rush University Medical Center recently wrote a research letter summarizing recent findings on Pfizer’s COVID-19 vaccine. Notably, the investigators “observed higher SARS-CoV-2 antibody levels in previously infected individuals after 1 dose of [Pfizer] compared with infection-naive individuals after two doses.” The study also found that those previously infected with COVID-19 saw an increased antibody response after the first dose, but did not see another significant increase following the second dose.





Join Our Community!Stay Informed. Stay Hopeful.

Sign up for periodic emails with resources, insights, and updates on autoimmune disease and living with chronic illness.

By adding your phone number, you agree to receive text message updates. Msg & data rates may apply.