A new COVID-19 strain has been reported in dozens of countries, including the U.S. Here's what you should know about it.

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Questions are answered by experts at the Oregon Health Authority, other state agencies or community partners. Questions and ...

The safety of approved mRNA vaccines is well-established and, as with other vaccines, continues to be monitored by multiple ...

Just when many Americans were starting to feel a sense of normalcy, a new COVID-19 variant, dubbed "Nimbus," has emerged, ...

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 light of the recent surge in Covid-19 infections in various countries and the emergence of a new sub-variant of the virus, ...

A new Covid-19 subvariant, NB.1.8.1, has gained attention following a rise in cases reported by WHO since mid-February 2025.