A research evaluating particular person immune responses to 2 main COVID-19 vaccines has proven that Moderna’s created greater than double the antibodies than that of Pfizer and BioNTech.
The research involving 2,499 Belgian health-care staff who have been vaccinated with two doses of both firm’s vaccine was printed on Monday within the Journal of the American Medical Association.
The analysis confirmed that beforehand contaminated members had larger antibody ranges than those that had not been contaminated, however Moderna’s
vaccine got here out forward for each teams. For these with out earlier infections, the antibody ranges have been 2881 items per milliliter among the many Moderna candidates and 1108 for individuals who had the Pfizer
The research steered a few causes for the antibody degree variations between vaccines, together with an extended interval between pictures for Moderna’s vaccine — 4 weeks — in comparison with Pfizer’s 3 weeks. As effectively, the researchers stated the Moderna shot had the next focus of the important thing energetic ingredient utilized in each vaccines.
Antibody ranges have been additionally negatively correlated with age amongst beforehand uninfected members, with highest ranges discovered amongst these below 35, the research confirmed.