Only one strain of COVID-19 Delta variant, first detected in India, is now `of concern`: WHO https://ift.tt/eA8V8J

Apart from the B.1.617.2 variant, the B.1.1.7 strain first identified in the United Kingdom has been identified as `Alpha variant`. The VOCs that were identified in South Africa and Brazil have been named `Beta` and `Gamma` respectively.

from Zee News :India National https://ift.tt/3fIO5F6