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WHO asks countries to track highly infectious Omicron sub-variant as it spreads across Africa

WHO asks countries to track highly infectious Omicron sub-variant as it spreads across Africa

The World Health Organization on Friday said that the recently discovered subvariant of the Omicron coronavirus has been found across Africa and asked the countries to sequence more coronavirus samples so the extent of its spread can be determined.

As per Nicksy Gumede-Moeletsi, a virologist from WHO, so far, the strain has been found in Senegal in West Africa, Kenya in East Africa and Malawi, Botswana and South Africa in southern Africa.

"We're a bit concerned that we may have missed some of this BA.2 in some of the samples that we've screened previously," she said.

BA.2 is worrying scientists as studies show that it appears to be more transmissible than the original omicron strain, the discovery of which was announced by South Africa and Botswana in November.

Research also shows that getting a mild infection with either of the two strains may not give a robust-enough immune response to protect against another omicron infection. Early data from BA.2 infections in Denmark and the U.K. indicate that the strain doesn't cause more severe disease.

BA.2 is spreading rapidly in South Africa and has been found in seven of the country's nine provinces, Tulio de Oliveira, a bio-informatics professor who runs gene-sequencing institutions and advises the government on the pandemic, said in a presentation on Wednesday. It has the potential to cause a second surge of infections in the current wave, he said.

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TAGS:Omicron sub-variantomicron updates
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