Aug 28, 2025 · Scientists use viruses' genetic sequences (genomic data), combined with observable characteristics (phenotypic data), to determine whether COVID-19 tests, treatments, and vaccines …

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 …

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 …

Jun 18, 2025 · CoVariants provides an overview of SARS-CoV-2 variants and mutations that are of interest. Here, you can find out what mutations define a variant, what impact they might have (with …

3 days ago · 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.

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

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

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 …

Dec 19, 2025 · Changes in the key antigenic regions of H3N2 viruses suggest that the upcoming flu season may require closer attention to vaccine matching and real-world effectiveness data.

Nov 28, 2025 · ECDC regularly assesses new evidence on variants detected through epidemic intelligence, rules-based genomic variant screening or other scientific sources.