Kolkata: The corona epidemic has created a lot of terror all over India and the infection is spreading rapidly day by day. On Thursday. 14 lakh new cases have come to light which is the highest ever in a day. The death toll is also increasing rapidly. A new corona stretch has emerged from this central West Bengal. According to media reports, the new 'triple mutant variant' is said to be more fierce than the rest of the strain. According to reports, the train is spreading at a rapid pace in West Bengal as well as Delhi and Maharashtra. Experts say that the mutation E484 present in the variant is a matter of concern. E484K is an immune escape variant that helps to flush out variants from the immune system and compromise the stake in the vaccine. A 'triple mutant variant' is formed when three mutations of the virus combine to form a new variant.