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 material of …

As of 25 June 2025, the variants of interest as specified by the World Health Organization are JN.1, and the variants under monitoring are KP.3, KP.3.1.1, JN.1.18, LP.8.1, NB.1.8.1, XEC and XFG.

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 previous …

Mar 27, 2024 · In late 2020, the emergence of variants that posed an increased risk to global public health prompted WHO to characterize some as variants of interest (VOIs) and variants of concern …

Play chess variants and apply your skills to different types of games. Challenge others online in a game of Bughouse, 4-Player Chess, Duck Chess, and more.

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

Nov 29, 2021 · Any change to the viral genetic sequence during this process is known as a mutation, and viruses with new mutations are sometimes called variants. Variants can differ by one or multiple …

Jun 18, 2025 · Here, you can find out what mutations define a variant, what impact they might have (with links to papers and resources), where variants are found, and see the variants in Nextstrain builds!

Variants such as Alpha (B.1.1.7), Beta (B.1.351), Gamma (P.1), Delta (B.1.617.2), and Omicron (B.1.1.529) have been identified and classified by the World Health Organization (WHO) as variants …

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 not all variants …