28 aug. 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 so that …

Historically, the WHO regularly listed updates on variants of concern (VOC), which are variants with an increased rate of transmission, virulence, or resistance against mitigations, like vaccines.

2 dec. 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 …

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

18 jun. 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!

29 nov. 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 …

5 dagen geleden · As of 2026, COVID-19 is no longer a pandemic but a seasonal virus with new variants and updated vaccines. Learn the latest symptoms, dominant strains like XFG, how vaccines work now, …