the Covid-19 virus.It would eliminate the need to keep tweaking the vaccines as the virus mutates.UK cancer treatment company Scancell are working with the researchers to devise the variant-proof vaccine – with the hopes it could be ready as soon as next year.The Telegraph reports that human trials of the universal vaccine will be ready to commence in the second half of 2021.Scancell chief medical officer Dr Gillies O’Bryan-Tear said: "We don’t necessarily claim it will be a pan-coronavirus vaccine, but it has got the potential to be so simply because of where it is targeted.”The desire for a universal treatment has been spurred by concerns that mutated versions of Covid-19 could outsmart current vaccines.Current vaccines like those devised.