Variants and Genomic Surveillance | Covid | CDC
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 so that …
Variants of SARS-CoV-2 - Wikipedia
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.
New COVID Variant 'Cicada' Is Spreading in 31 States. These Are Its ...
Apr 13, 2026 · BA.3.2, a heavily mutated new COVID-19 variant that may be better able to evade immunity from vaccines or prior infection, is now spreading in the United States. Although COVID …
Tracking SARS-CoV-2 variants - World Health Organization (WHO)
Feb 23, 2026 · 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 …
What COVID Is Going Around Right Now: Variants & Symptoms
Mar 24, 2026 · Find out which COVID variants are spreading now, what symptoms to expect, and how well current vaccines and treatments hold up.
VARIANT Definition & Meaning - Merriam-Webster
The meaning of VARIANT is manifesting variety, deviation, or disagreement. How to use variant in a sentence.
Covid Variants Over Time: Alpha To Omicron To Stratus, Tracked And ...
Oct 3, 2025 · Below are the major COVID variants and notable later sublineages in the order they first came to attention (as per the WHO), with short notes on how each differed, its global and India …
A Comprehensive List of All of the COVID-19 Variants and How
Nov 18, 2023 · With Alpha, Delta, Omicron, and more iterations, it’s normal to wonder how many COVID variants are there? Ahead, experts explain the evolution of COVID-19, and the latest variants of …
COVID-19 Variants: Symptoms, Transmissibility, and More
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 …
What do we know about the new Omicron subvariant of COVID, …
May 30, 2025 · What is a variant, and where do variants come from? A variant is a subgroup of viruses within a species that share an inherited set of distinctive changes in their genetic code.