B 1 617

COVID-19 variant responsible for India's massive outbreak found in 44 countries: WHO

Outside of India, it said that Britain had reported the largest number of Covid cases caused by the variant.

COVID-19 variant causing surge in cases in India found in at least 17 other countries: WHO

The WHO recently listed B.1.617 as a "variant of interest" but has stopped short of declaring it a "variant of concern".