India has a double mutant Coronavirus variant. Should we be worried?

As India’s daily tally of Covid-19 infections surged by a record 200,000-plus cases on two consecutive days, public health experts worry that a new -- possibly more virulent -- coronavirus variant could be racing through the crowded nation of more than 1.3 billion people.

The new variant, which has a so-called double mutation, is thought to be fueling India’s deadlier new wave of infections that has made it the world’s second worst-hit country, surpassing Brazil, and has already begun to overwhelm its hospitals and crematoriums. The Asian nation has reported more than 14 million Covid cases so far and more