A new variant of Covid-19, NB.1.8.1, is shaking global health authorities as it spreads rapidly across the globe.
Spread of the NB.1.8.1 variant in Asia (1/12)
The NB.1.8.1 variant of Covid-19 appeared in China and spread rapidly across Asia, reaching regions such as Hong Kong where a significant rebound in the epidemic was observed. This sub-lineage of the Omicron variant, known for its high contagiousness, 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 presenting an increased risk to public health.
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