Positive, negative, and neutral mutations during the evolution of coronaviruses like SARS-CoV-2. Variants of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) are viruses that, while …

Dec 2, 2024 · Since the beginning of the COVID-19 pandemic and with the evolution of the SARS-CoV-2 virus, multiple COVID-19 Variants of Concern (VOCs) and Variants of Interest (VOIs) have been …

Dec 1, 2025 · Get the latest COVID-19 news from infectious diseases expert Mark Rupp, MD, including COVID-19 case rates, types of variants circulating and vaccine updates.

Sep 4, 2025 · CDC uses genomic surveillance to track emerging SARS-CoV-2 variants that cause COVID-19.

Feb 13, 2025 · Discover the dominant COVID variants in 2024, XBB.1.5, nicknamed Kraken, and XBB 1.16, nicknamed Arcturus, their symptoms and who is at risk.

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

Oct 24, 2025 · Concern over variants, sometimes called strains, of the virus that causes COVID-19 is based on how the virus might change. A virus could get better at infecting people, spread faster or …

Jun 18, 2025 · SARS-CoV-2 Mutations and Variants of InterestClick on a variant button to start exploring! CoVariants provides an overview of SARS-CoV-2 variants and mutations that are of …

Oct 12, 2025 · COVID-19 has gone through many mutations. What are the new variants and how are they different from the older variants?

Variant prevalence across timeCenters for Disease Control and Prevention SARS-CoV-2 Variant Classifications and Definitions Variant Proportions SARS-CoV-2 Sequencing for Public Health …