Aug 28, 2025 · Some variants will emerge and disappear, while others will emerge and continue to spread and may replace previous variants. It is important to track the emergence of variants …

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 …

Aug 25, 2025 · Confirmed COVID-19 cases are up week-over-week, according to CDC data. Here's what to know the week of Aug. 25.

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

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.

Oct 12, 2025 · A strain is when a virus has so many variants that it starts acting differently—for example, it’s much more transmissible than the previous version. All strains are variants, but …

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.

Visit this page for the most current information, including the current table of variants and a list of references. Viruses like SARS-CoV-2 continuously evolve when changes in the genetic code …

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 …

Sep 18, 2025 · Are they similar or different from other COVID variants? A sore throat seems to be the predominant symptom, but overall, Stratus symptoms are not any different than those of …