New 'Botswana' variant is most mutated version of Covid

25-11-2021 Thu 14:33 IST | IANS | Health
New 'Botswana' variant is most mutated version of Covid

New Delhi, Nov 25: British experts have sounded the alarm over a new Covid variant believed to have emerged in 'Botswana' that is the most mutated version of the virus yet, Daily Mail reported. Only 10 cases of the strain, which could eventually be named 'Nu', have been detected so far. But it has already been spotted in three countries, suggesting the variant is more widespread.

It carries 32 mutations, many of which suggest it is highly transmissible and vaccine-resistant, and has more alterations to its spike protein than any other variant, the report said.

Professor Francois Balloux, a geneticist at University College London, said it likely emerged in a lingering infection in an immunocompromised patient, possibly someone with undiagnosed AIDS, the report added.

Changes to the spike make it difficult for current jabs to fight off, because they train the immune system to recognise an older version of this part of the virus.

Dr Tom Peacock, a virologist at Imperial College who first picked up on its spread, described the variant's combination of mutations as 'horrific', the report added.

He warned that B.1.1.529, its scientific name, had the potential to be 'worse than nearly anything else about' -- including the world-dominant Delta strain.

Scientists told MailOnline, however, that its unprecedented number of mutations might work against it and make it 'unstable', preventing it from becoming widespread.

They said there was 'no need to be overly concerned' because there were no signs yet that it was spreading rapidly.

Three infections have been detected in Botswana to date and six in South Africa -- where variant surveillance is more robust.

One case has also been spotted in a 36-year-old man in Hong Kong who recently returned from the continent, the report added.

There are no cases in Britain. But the UK Health Security Agency, which took over from the Public Health England, said it was monitoring the situation closely.


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