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Spread of the NB.1.8.1 variant in Asia  (1/7)

Originating in China, the NB.1.8.1 variant of COVID-19 rapidly spread across Asia, reaching regions like Hong Kong where a significant resurgence of the epidemic was observed. This sub-lineage of the Omicron variant, known for its high transmissibility, was classified by the World Health Organization (WHO) as a 'variant under surveillance' on May 23. This classification, created in 2020, is reserved for variants that pose an increased risk to public health.

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Important mutations of the NB.1.8.1 variant  (2/7)

Professor Yves Buisson, a member of the French National Academy of Medicine, emphasized that NB.1.8.1 presents "three fairly significant mutations" compared to its predecessor, which could make it the dominant strain in the future. Virologist Bruno Lina told BFMTV that the specific characteristics of this variant could make it dominant. In Asia, particularly in Taiwan, the National Center for Disease Control reported a 66% increase in COVID-19-related consultations in one week.
Emergence of the NB.1.8.1 variant in Europe and the United States  (3/7)
In Europe, the NB.1.8.1 variant first appeared in Germany, Ireland, and the Netherlands, with France reporting its first cases in March. According to the European Centre for Disease Prevention and Control (ECDC), the variant has been circulating since early April, but its epidemiological impact remains uncertain. In the United States, cases have been detected among international travelers arriving in several states, including California and New York.

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