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

    1 day 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.

  2. New COVID variant 'Stratus' spreading in US: symptoms, what ...

    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.

  3. Doctors say COVID symptoms are changing—here’s what to watch ...

    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 ...

  4. 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.

  5. 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 …

  6. VARIANT Definition & Meaning - Merriam-Webster

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

  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. New COVID Variant NB.1.8.1 Found In US. What Are Its ... - TODAY

    Jun 11, 2025 · Currently making headlines is NB.1.8.1, an omicron variant that popped up in January and quickly became the dominant strain in China and Hong Kong. In recent weeks, NB.1.8.1 has …

  9. COVID-19 variants | WHO COVID-19 dashboard - datadot

    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 …

  10. COVID-19 Variants in 2025: What’s New & What to Watch | HNL ...

    Dec 4, 2025 · Learn about the latest COVID-19 variants in 2025, how they spread, symptoms to watch for, and when testing is recommended.