What we know so far about the COVID variant first found in India

Concern is growing over a COVID-19 variant that has been spreading rapidly around the world.

First identified in India in October, the mutation — dubbed “Delta” — has now hit at least 62 nations, according to the World Health Organization. “We continue to observe significantly increased transmissibility and a growing number of countries reporting outbreaks associated with this variant,” the UN agency said this week.