Thursday, 18 Mar 2021 08:38 PM MYT
Coronavirus variants with specific mutations to the spike protein are of concern because scientists worry they will reduce the efficacy of vaccines, as well as immunity gained from prior infection. The data showed a nearly three-fold reduction in the level of virus neturalisation by antibodies generated by the vaccines for the P.1 Brazil variant — similar to the reduction seen with the variant first identified in Kent, Britain.
The variant first identified in South Africa triggered a much larger reduction in virus neutralisation, with a 9-fold reduction in Oxford/AstraZeneca’s vaccine, and a 7.6-fold reduction for Pfizer/BioNTech.
Source: Education Headlines (educationheadlines.net)
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