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.
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 …
VARIANT Definition & Meaning - Merriam-Webster
The meaning of VARIANT is manifesting variety, deviation, or disagreement. How to use variant in a sentence.
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.
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.
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 …
What You Need to Know About the New COVID Variant 'Nimbus'
Jun 25, 2025 · Vaccination remains the most effective protection against COVID-19. A new COVID-19 variant, called NB.1.8.1, is emerging in the United States as summer approaches.