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What do we know about the new COVID variant NB.1.8.1?
The World Health Organization has classified NB.1.8.1 as a 'variant under monitoring.' This variant has been confirmed in regions like Northern Ireland and Wales and now accounts for over 10% of global COVID infections. It is a sublineage of the Omicron variant, first detected in January 2025, and has shown a rapid increase in prevalence, particularly in Asia.
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How does NB.1.8.1 compare to previous COVID variants?
NB.1.8.1 spreads more easily than earlier variants, but experts have found no evidence that it causes more severe illness. While its mutations may enhance its ability to infect cells, the consensus is that it does not lead to more severe symptoms compared to previous strains.
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What precautions should people take with this new variant?
As with any COVID variant, it is essential to continue practicing good hygiene, such as frequent handwashing and wearing masks in crowded places. Staying updated on vaccination recommendations and booster shots is also crucial, as these measures can help mitigate the spread of the virus.
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Where has NB.1.8.1 been detected?
NB.1.8.1 has been confirmed in various locations, including Northern Ireland, Wales, Hong Kong, and China. Genomic sequencing in Australia indicates that it is becoming the dominant variant in regions like Perth, highlighting its rapid spread.
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What should I do if I think I have COVID-19?
If you suspect you have COVID-19, it is important to get tested as soon as possible. Follow local health guidelines regarding isolation and treatment. If you experience severe symptoms, seek medical attention immediately.
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Is the vaccine effective against NB.1.8.1?
Current vaccines are expected to provide some level of protection against NB.1.8.1, as they have been effective against previous variants. However, ongoing research is necessary to determine the exact efficacy against this new variant, and booster shots may be recommended.