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  1. 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 …

  2. 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.

  3. COVID-19 surges in Texas: What to know about new ‘Stratus’ variant

    Sep 2, 2025 · Cases of COVID-19 are spiking in Texas as a new variant spreads across much of the U.S.

  4. Map Shows Rising COVID Cases as Stratus Variant Spreads

    Aug 27, 2025 · New cases of COVID-19 are increasing nationwide, fueled by the Stratus variant, an emerging offshoot of the Omicron variant.

  5. 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 …

  6. 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.

  7. CDC's Role in Tracking Variants | COVID-19 | CDC

    Sep 4, 2025 · Scientists at CDC conduct detailed analyses of the sequence data to identify variants and actively monitor which variants are most common in the U.S. These data are used to evaluate …

  8. New COVID variant spreading in US: 2025 symptoms, what to know

    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.

  9. SARS-CoV-2 Variant XEC Increases as KP.3.1.1 Slows

    Nov 1, 2024 · CDC anticipates that the 2024–2025 COVID-19 vaccines will work well against the variants circulating now. Many minor variants of SARS-CoV-2, the virus that causes COVID-19, that …