Immune Response From mRNA COVID-19 Vaccines Is More Robust Than Natural Infection
May 3, 2021
Jonna Lorenz
Antibody levels induced by mRNA COVID-19 vaccines are much higher than those induced by natural infection and confer cross-reactivity that could be effective against new variants, a new study from the University of California, Irvine, found.
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The study, published on the bioRxiv preprint server, used data from ongoing seroprevalence studies in Orange County, Calif., before and after a campaign to administer mRNA vaccines.
“MRNA vaccine induced antibody levels are spectacular and appear rapidly within a few days after vaccination,” corresponding author Philip Felgner, PhD, professor in residence and director of the Vaccine R&D Center at the University of California, Irvine told Contagion. “Only in our dreams we could have imagined a vaccine that that could be developed so quickly, works so well, can be manufactured at scale, distributed and administered to billions of people worldwide within months.”
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