West Bengal has reported its first case of a mutant coronavirus strain that surfaced in the United Kingdom, a senior Health Official said on Wednesday. The Patient, son of a Senior Official of the State Health Department, Tested Positive for the Variant of Concern 202012/01 (VOC-202012/01) mutant coronavirus strain after returning from London 10 days ago, the official said. “The youth is undergoing Treatment at the Calcutta Medical College and Hospital”s super-specialty section. He is under observation. We have advised all those who have come in contact with him to isolate themselves,”. He had Tested Positive for COVID-19 at the Netaji Subhas Chandra Bose International Airport on the day of his return to Kolkata, he said. “As he had returned from the UK, we had sent his samples to Kalyani”s National Institute of Biomedical Genomics for Genetic analysis as per the protocol set by the Centre.