Covid-19 vaccines had been initially designed for a model of the virus that not exists
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Vaccine-makers ought to cease together with the spike protein of the unique SARS-CoV-2 coronavirus in covid-19 booster jabs to make them simpler towards present variants, a examine of antibody responses has concluded.
The primary covid-19 vaccines had been based mostly on a SARS-CoV-2 genome sequence from Wuhan, China, made public on 11 January 2020. From this, researchers decided the sequence of the spike protein on the surface of the virus and began creating vaccines based mostly on it. Moderna …