Matt Hancock said on Wednesday.South Africa's health department said last week that a new genetic mutation of the virus had been discovered and might be responsible for a recent surge in infections there."Thanks to the impressive genomic capability of the South Africans, we've detected two cases of another new variant of coronavirus here in the UK," Hancock told a media briefing."Both are contacts of cases who have travelled from South Africa over the past few weeks."Britain is already trying to curb the spread of a mutated strain of the virus which is up to 70% more transmissible, and further studies aerie being carried out on the new variant.Also Read | Inside the farmer disquiet at Delhi’s doorstep"This new variant is highly concerning,.