The WHO observes 20 subspecies of the Delta variety

The World Health Organization (WHO) is tracking 20 sublineages of the Delta variant which is still dominant in global circulation, a leading epidemiologist said.

 

WHO Technical Lead on Covid-19 Dr. Maria Van Kerkhove said there are four variants being tracked the Delta variant is by far the dominant in terms of global circulation.

 

You have heard me say that quite often. “Essentially what we are looking at is how Delta is changing over time,” she said.