new strains of coronavirus, a senior official of the state health department has said.Out of them, five have been found to be infected by the UK-strain, while the rest with the South African strain, according to a PTI report.This comes as a new double mutant strain of SARS CoV2 virus has been detected in India, in addition to other UK, South African and Brazilian variants of the virus already circulating in 18 states of the country."Those who have been found infected by the new strains had tested positive for COVID-19 between March 7 and March 13.
Later when they started showing different symptoms, their swab samples were sent to Kalyani testing centre where the strains were proved," the official said.The eight affected are between 25 and.