https://time.com/5933340/moderna-covid-19-vaccine-new-strains/ https://time.com/5933340/moderna-covid-19-vaccine-new-strain... They seem to be mostly effective

https://time.com/5933340/moderna-covid-19-vaccine-new-strains/ https://time.com/5933340/moderna-covid-19-vaccine-new-strain... They seem to be mostly effective, albeit still giving less of an immune response than would be possible. Also Curevac is working together with GSK on a multi mutant mRNA vaccine. Since the mRNA approach seems to be flexible it's reasonable to assume this will allow quick adaptations like this. https://www.curevac.com/en/2021/02/03/gsk-and-curevac-to-develop-next-generation-mrna-covid-19-vaccines/ https://www.curevac.com/en/2021/02/03/gsk-and-curevac-to-dev...