Nov 18, 2025 · A mutated strain of influenza A, H3N2 subclade K, is surging worldwide, sparking concerns about a severe flu season in the U.S. Here's what to symptoms to look out for.

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 …

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.

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.

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

The term variant of concern (VOC) for SARS-CoV-2, which causes COVID-19, is a category used for variants of the virus where mutations in their spike protein receptor binding domain (RBD) …

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.

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.

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 …

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 …