People Who’ve Had COVID-19 May Only Need One Dose of Vaccine, Study Says.<br />The study, conducted by the Icahn School of Medicine at Mount Sinai, was published in MedRxiv.<br />The antibodies of 109 people who were vaccinated toward the end of 2020 were examined.<br />Most people who hadn't contracted the virus showed a low immune response within nine to 12 days of being innoculated.<br />But those who received the vaccine after recovering from COVID-19 showed a rapid immune response.<br />Their antibody levels were at least 10 times higher than those who had never been infected.<br />Those who had recovered from coronavirus and received one vaccine dose also had higher average antibody levels than people who received both doses without prior infection.<br />The results have not yet been peer-reviewed.<br />Ongoing follow-up studies will show whether these early differences in immune responses are maintained over time, Study researchers, via report
