A highly transmissible new COVID-19 variant called NB.1.8.1, aka "Nimbus," is spreading in the United States, CDC data show.

The NB.1.8.1 COVID-19 variant was linked to a large surge of hospitalizations in parts of Asia earlier this year.

NB.1.8.1 — a new COVID-19 variant tied to a surge in China — now accounts for around 37% of cases in the U.S., according to variant proportion estimates from the CDC. Four notes: ...

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The World Health Organization (WHO) is keeping an eye on a new COVID-19 variant called NB.1.8.1, or “Nimbus,” that has spread ...

In other developments, the ECDC today reported a slow rise in COVID activity in the Europe, which may partly reflect waning ...

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Nimbus has been detected in at least 14 states including New York, New Jersey, Massachusetts and Rhode Island.