The World Health Organization (WHO) said on Wednesday that a variant of COVID-19 behind the acceleration of India's explosive outbreak has been found in dozens of countries all over the world.

The UN health agency said the B.1.617 variant of COVID-19, first found in India in October, had been detected in sequences uploaded to the GISAID open-access database "from 44 countries in all six WHO regions," adding it had received "reports of detections from five additional countries.”