It has been named "Delta Plus".
India's reported a new variant of coronavirus to be 'of concern' - with more than 20 cases detected.
It's being called locally 'Delta plus' - experts there say it's even more transmissible than the standard Delta strain.
Health officials say the country's infection rate has fallen 90-percent from its peak.
Delta Plus: Should the world be worried about the new Covid-19 variant? https://t.co/PE5pikDm8H
— BBC News (World) (@BBCWorld) June 23, 2021