COVID-19 vaccination offers sustained and potent neutralizing protection against variants compared to natural infection everly_well CUAnschutz medrxivpreprint COVID19 SARSCoV2 Vaccination Variants NaturalInfection
By Bhavana KunkalikarOct 3 2022Reviewed by Aimee Molineux In a recent study posted to the medRxiv* preprint server, researchers assessed the immunoglobulin -G responses to severe acute respiratory syndrome coronavirus 2 after natural infection or vaccination.
This cross-sectional and prospective study involved those who had previously contracted SARS-CoV-2 or received a vaccination against the virus . The study used self-collected dried blood spot samples and electronic questionnaires to obtain data from participants in the US.
Related StoriesThe main outcome was the anticipated change in SARS-CoV-2 spike -1-binding IgG seropositivity over time between Arm 1 and Arm 2 . The secondary objectives included: the difference between anticipated NAb titers corresponding to Arms 1 and 2 over time; and S1-binding IgG and NAb survival rates of Arm 2 at four and 12 months following the last exposure to a COVID-19 vaccine.