A new immune escape COVID-19 variant has been found in West Bengal, according to experts.
This new SARS-CoV-2 variant can reportedly escape immunity and infect a person even if the individual had contracted the virus before and has antibodies against it.
This is on the same lines as the "double mutant variant" of COVID-19.
That was detected in 18 states and UTs of India, majorly Maharashtra.
It had been detected in 15-20 percent samples collected from Maharashtra.
The new variant of coronavirus, B.1.618, is being called a major immune escape variant.
It is characterised by a distinct set of genetic variants including E484K.
According to scientists, the proportions of B.1.618 have been growing significantly in West Bengal.