Daunting new Omicron subvariant emerges: 'MORE CONTAGIOUS'

·2-min read

The BA.2 subvariant of the Omicron coronavirus variant, which is dominant in Denmark, appears more contagious than the more common BA.1 sub-lineage, Danish Health Minister Magnus Heunicke says.

"There is no evidence that the BA.2 variant causes more disease but it must be more contagious," Heunicke told a news conference on Wednesday.

The BA.1 lineage currently accounts for 98 per cent of all cases globally but in Denmark has been pushed aside by BA.2, which became the dominant strain in the second week of January.

Denmark, like most other European countries, has seen a sharp rise in cases fuelled by Omicron. Source: Getty
Denmark, like most other European countries, has seen a sharp rise in cases fuelled by Omicron. Source: Getty

The United Kingdom Health Security Agency has designated BA.2 a variant under investigation, saying it could have a growth advantage.

Spreading easier to the vaccinated, experts warn

Preliminary calculations suggest BA.2 could be 1.5 times more infectious than BA.1, Denmark's top infectious disease authority Statens Serum Institut (SSI) said in a note on Wednesday.

However, an initial analysis by the institute showed no difference in the risk of hospitalisation for BA.2 compared to BA.1.

"There is some indication that it is more contagious, especially for the unvaccinated, but that it can also infect people who have been vaccinated to a greater extent," SSI's technical director Tyra Grove Krause said at the briefing.

The subvariant driving cases is more contagious, health authorities say. Source: Worldometer
The subvariant driving cases is more contagious, health authorities say. Source: Worldometer

This could mean the peak of Denmark's epidemic will extend a bit further into February than previously forecast, Krause said.

BA.2 cases have also been registered in the UK, Sweden and Norway but to a much lesser extent than in Denmark.

Denmark on Wednesday announced plans to scrap the last of its COVID-19 restrictions by February 1, the latest country in Europe to do so despite record high daily infection numbers.

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