New COVID variant 'Stratus' spreading in US: symptoms, what to …
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 …
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.
VARIANT Definition & Meaning - Merriam-Webster
The meaning of VARIANT is manifesting variety, deviation, or disagreement. How to use variant in a sentence.
A New More Severe Flu Variant Is Spreading In The U.S. Here
Nov 19, 2025 · A mutated strain of Influenza H3N2 virus known as subclade K is spreading in the United States. A doctor breaks down what to know and how to stay safe.
COVID variant NB.1.8.1 hits U.S. What to know about symptoms, …
May 27, 2025 · As the Trump administration moves to limit COVID booster vaccines for some, here's what to know about the latest variant NB.1.8.1 and its symptoms.
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 Is Subclade K, the New Flu Strain Doctors Call ‘Severe’
Nov 20, 2025 · Infectious disease doctors explain what you need to know about the new flu variant, subclade K, along with how to protect yourself this cold and flu season.
SARS-CoV-2 variants: biology, pathogenicity, immunity and control
Nov 10, 2025 · This Review explores the evolution of SARS-CoV-2 since its emergence in late 2019 and discusses how the changes in the various variants and subvariants have affected …
What COVID-19 variants are going around in October 2025?
Oct 3, 2025 · When you receive a COVID-19 test, you won't find out which variant caused your infection. That's because COVID-19 tests only detect the presence of the virus – they don't …