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The mRNA-1273 vaccine developed against the original SARS-CoV-2 virus and the slightly modified version of the vaccine against the Beta variant virus are the same in terms of enhancing antibody response and protection
.
Scientists from the National Institute of Allergy and Infectious Diseases Vaccine Research Center of the National Institutes of Health (NIH) and Emory University collaborators led the project.
This study was conducted 6 months ago, when the SARS-CoV-2 Beta mutation was a major problem
.
According to the researchers, the reason why researchers pay attention to the Beta variant is that it has consistently shown the greatest resistance to neutralization-which may reduce the effectiveness of the vaccine
The scientists wrote that in humans, the mRNA-1273 booster vaccine may increase the protection time and effectiveness of any spreading SARS-CoV-2 variants (including Delta virus) from upper and lower respiratory tract infections
.
They pointed out that this is especially important for maintaining protection against serious diseases and possibly limiting mild infections and the spread of viruses
Kizzmekia S.