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GENEVA – The BA.2 variant of the Omicron coronavirus strain is not more severe than the original, the World Health Organisation said yesterday.

Based on a sample of people from various countries, “we are not seeing a difference in severity of BA.1 compared to BA.2”, said Maria Van Kerkhove, a senior WHO official, in an online question-and-answer session.

“So this is a similar level of severity as it relates to risk of hospitalisation. And this is really important, because in many countries they’ve had a substantial amount of circulation, both of BA.1 and BA.2,” she said.

Van Kerkhove, who leads the technical side of WHO’s Covid-19 response team, was reporting the findings of a committee of experts tracking the evolution of the virus.

Their conclusions will come as a relief to countries such as Denmark, where the BA.2 variant of Omicron has circulated widely.

WHO said in a statement that initial data suggests the new BA2 variant “appears inherently more transmissible than BA.1”, and that further studies are ongoing to discover why this is the case.

“However the global circulation of all variants is reportedly declining,” it added.

The coronavirus has killed more than 5.8 million people worldwide, according to a tally compiled from official sources yesterday.

Taking into account excess mortality linked to Covid-19, WHO estimates the true death toll could be two to three times higher. – AFP, February 23, 2022