Mar 6, 2026 · A look at the COVID strains currently circulating, what symptoms they cause, and how well tests, vaccines, and treatments hold up against them.

Sep 18, 2025 · The latest COVID-19 variant known as XFG, nicknamed Stratus, continues to spread throughout the United States, driving a summer spike in cases.

Sep 24, 2025 · The new COVID-19 variant, Stratus, is driving cases in the U.S. Learn how contagious it is, common symptoms, vaccine protection, and where cases are rising.

Aug 28, 2025 · New variants of SARS-CoV-2 are expected to continue to emerge. Some variants will emerge and disappear, while others will emerge and continue to spread and may replace previous …

Mar 3, 2026 · A new covid variant called XFG, nicknamed “Stratus,” has emerged as a significant strain spreading across the United States and globally in 2026. The variant was first detected in Southeast …

The meaning of VARIANT is manifesting variety, deviation, or disagreement. How to use variant in a sentence.

Mar 7, 2026 · If a mutation changes how a virus acts in a group of people, it's called a variant. Scientists across the world track the changes in the virus variants that cause COVID-19.

Dec 2, 2024 · When these changes become significantly different to a previously detected virus, these new virus types are known as “variants.” To identify variants, scientists map the genetic material of …

Discover how COVID-19 2026 looks now, including new COVID-19 symptoms, what to know about each new COVID-19 variant, and when to test or seek care.

Jun 23, 2025 · A new COVID-19 variant that was unheard of just months ago is now projected to be the second-most common strain in the United States.