Learn more about the new COVID-19 variants Nimbus and Stratus, and certain symptoms like a stabbing sore throat that come along with them. We have entered cold and flu season, and two new variants of ...

The Stratus COVID-19 variant has been fueling a rise in cases across the country. Stratus is currently the dominant variant in the U.S. This variant is slightly more infectious than previous variants.

As COVID-19 continues to evolve, new variants have emerged in 2026 with symptoms and transmission characteristics similar to earlier strains but with some distinct traits. Understanding these new ...

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A "highly mutated" COVID variant that flew under the radar for years has been detected in a growing number of U.S. states, including Ohio, health officials said this week. The strain, nicknamed ...

A new variant of the virus that causes COVID is spreading in the U.S. The “Cicada” variant, officially known as BA.3.2, was first detected in South Africa in November 2024. But infection rates in the ...