With the emergence of various mutations of SARS-CoV-2 there is still reassuring evidence that existing vaccines are providing good protection, although at a slightly less rate than with the initial variants. Additionally, interim results released by the Oxford/AstraZeneca team showed that vaccination with the Oxford/AstraZeneca COVID-19 vaccine could cut transmission of the virus by up to 67%.
In the following article published in the BBC, Professor Andy Pollard from Oxford University suggests that updating vaccines to make them more effective against mutations is a quick process. With manufacturing processes already established, newer vaccines could be available relatively quickly.
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BBC- Covid: New Oxford vaccine ‘ready by the autumn’ to tackle mutations