EU to buy 300m extra doses of Pfizer vaccine as study shows it protects against variants
The variants contain mutations including N501Y, an alteration in spike protein of the virus, which is a target for vaccines.
The Covid-19 vaccine from Pfizer and BioNTech does protect against the two new mutant variants, at least one of which has contributed to the increase in cases here, according to new research
The pharmaceutical giant and researchers from the University of Texas carried out lab tests on the strains, one of which was found in the UK while the other originated in South Africa.



