COVID-19: Only `Delta variant`, first found in India, is now `of concern`: WHO

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.

https://ift.tt/eA8V8J from https://ift.tt/3i8SByb