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What is the NB.1.8.1 COVID variant?
The NB.1.8.1 variant, first detected in January 2025, is a descendant of the Omicron strain. It has quickly spread to multiple countries, including the UK, US, and several Asian nations, and is now responsible for over 10% of global infections.
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How does NB.1.8.1 compare to previous COVID variants?
Experts indicate that while the NB.1.8.1 variant is more transmissible than earlier strains, it does not appear to cause more severe illness. This distinction is important as it suggests that while infections may rise, the severity of cases may not increase significantly.
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Are current vaccines effective against the NB.1.8.1 variant?
Current vaccines are expected to remain effective against the NB.1.8.1 variant. Health officials and experts, including Dr. Chun Tang, have emphasized that existing vaccines should provide adequate protection, although ongoing monitoring is essential.
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What precautions should people take with the rise of this new variant?
As the NB.1.8.1 variant spreads, it is advisable for individuals to continue practicing standard COVID-19 precautions. This includes wearing masks in crowded places, maintaining social distance, and getting vaccinated or boosted if eligible.
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Where has the NB.1.8.1 variant been reported?
The NB.1.8.1 variant has been confirmed in various regions, including England, Northern Ireland, Wales, and the US, where it accounts for a significant percentage of cases. Health officials in India are also monitoring the situation closely due to a rise in cases linked to this variant.
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What does the WHO say about the NB.1.8.1 variant?
The World Health Organization has designated NB.1.8.1 as a 'variant under monitoring', reflecting the global health community's cautious approach to its spread and potential impact on public health.