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The latest neutralization efficacy results of mRNA vaccines against more than ten mutant virus strains such as Delta are released

 Last Update: 2021-09-06
 Source: Internet
 Author: User

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Recently, a variety of mutant strains of the new coronavirus have been discovered all over the world

Today, Moderna announced its mRNA new coronavirus vaccine, the results of the neutralization ability of a variety of new coronavirus mutant strains including Delta

In this study, the researchers used pseudoviral vectors based on vesicular stomatitis virus (VSV) to express the spike proteins of a variety of new coronavirus mutant strains

The experimental results showed that for Alpha and the A.

For the Delta virus strain, the serum neutralization titer was reduced by 2.

Among the tested mutant strains, the Beta (B.

The researchers pointed out in the paper that although a variety of tested mutant strains led to varying degrees of reduction in serum neutralization titers of the vaccinators, they were still sensitive to the serum stimulated by mRNA-1273

▲Neutralization titer data of mRNA-1273 vaccine vaccinators against different new coronavirus mutant strains (picture source: reference [2])

Note: The original text has been deleted

Reference materials:

[1] Moderna Provides a Clinical Update on the Neutralizing Activity of its COVID-19 Vaccine on Emerging Variants Including the Delta Variant First Identified in India.

[2] Choi et al.

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