Pfizer vaccine effective against mutant Covid strains

The company has confirmed its vaccine works against the UK and South African variants of coronavirus (Picture: AFP via Getty Images)Pfizer and BioNTech have confirmed their vaccine is effective against the UK and South African variants of coronavirus.This is a breaking story. More to follow.Get in touch with our news team by emailing us at webnews@metro.co.uk.For more stories like this, check our news page.