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  1. New COVID variant 'Stratus' spreading in US: symptoms, what to know

    Aug 5, 2025 · A new COVID-19 variant is climbing the ranks in the United States, becoming the third-most common strain of the summer.

  2. Variants and Genomic Surveillance | COVID-19 | CDC

    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 …

  3. VARIANT Definition & Meaning - Merriam-Webster

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

  4. Flu season in the US is heating up, driven by new subclade K variant

    2 days ago · This new variant wasn’t included in this year’s flu shots because it was identified after scientists had chosen the four strains to include this year.

  5. COVID-19 variants: What's the concern? - Mayo Clinic

    Oct 24, 2025 · 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.

  6. Doctors say COVID symptoms are changing—here’s what to watch for …

    The Stratus variant is fueling COVID-19 cases around the country. Symptoms of the virus look slightly different right now. Here, doctors share what to look out for and how to protect yourself from ...

  7. What to Know About COVID Variant XFG Stratus

    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.

  8. VARIANT | English meaning - Cambridge Dictionary

    VARIANT definition: 1. something that is slightly different from other similar things: 2. a form of a virus or disease…. Learn more.

  9. What do we know about the new Omicron subvariant of COVID, …

    May 30, 2025 · A variant is a subgroup of viruses within a species that share an inherited set of distinctive changes in their genetic code. When a virus replicates or makes copies of itself, errors can …

  10. SARS-CoV-2 Alpha variant - Wikipedia

    The variant is known by several names. Outside the UK it is sometimes referred to as the UK variant or British variant or English variant, [14] despite the existence of other, less common, variants first …