UK variant of coronavirus strain detected in 86 countries, says WHO

In the UK, for example, Covid-19 test samples of this strain increased from 63 per cent in the week of December 14 to 90 per cent in the week of January 18, the WHO said in its weekly epidemiological update.

The World Health Organisation (WHO) on Tuesday (local time) announced that coronavirus variant B.1.1.7, which was first identified in the United Kingdom on September 20, has been reported in 86 countries.

Britain will ban arrivals from South American countries and Portugal because of concerns over a new Brazilian variant of the coronavirus. (REUTERS)

The variant B.1.1.7 has shown an increase in transmissibility, and some evidence of increase in disease severity based on preliminary findings. As of February 7, an additional six countries have reported cases of this variant, CNN reported.

In the UK, for example, Covid-19 test samples of this strain increased from 63 per cent in the week of December 14 to 90 per cent in the week of January 18, the WHO said in its weekly epidemiological update.

The WHO has also been monitoring two additional coronavirus strains that are actively spreading: B.1.351, initially seen in South Africa, and the P.1 strain that was first identified in Brazil, CNN reported.

As of February 7, the B.1.351 strain has been reported in 44 countries , while the P.1 strain has been reported in 15 nations, said the WHO.