What is B.1.617, recently seen in news?

What is B.1.617, recently seen in news?

A. Asteroid

B, Minisatellite

C. Malware

D. Double mutant Coronavirus

Explanation:

The “double mutant” virus that scientists had flagged on March 2021 as having a bearing on the spread of the pandemic in India, has a formal scientific classification: B.1.617. The variant is common in India and has a couple of defining mutations, E484Q and L425R that enable it to become more infectious and evade antibodies.