A Coronavirus Variant First Found in India is Now Officially a 'Variant of Concern'

Experts caution that it’s not yet clear just how much of a factor that the variant, B.1.617, has played in the catastrophic rise in cases in India, which are likely undercounted.

source https://www.nytimes.com/2021/05/10/world/asia/india-covid-virus-variant.html