UK health authorities have extended the ongoing COVID-19 surge testing operation to two more London boroughs in an attempt to curb the spread of a variant of the CCP virus first identified in South Africa. The local council of Barnet said on Wednesday the South African variant had been found in the north London borough. “From Thursday, April 15 we will start testing people for this variant in specific postcode areas affected in N3 or those who shop on the local high street,” the council said on its website. On Tuesday evening, the Department of Health and Social Care (DHSC) said additional testing and genomic sequencing were being provided in a targeted area within the SE16 postcode area in Southwark, south London. A confirmed case of the South African variant had been found in the area, said DHSC, adding that the infected person was self-isolating and their contacts had been …