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  3. www.who.int › activities › tracking-SARS-CoV-2-variantsTracking SARS-CoV-2 variants - World Health Organization (WHO)

    Mar 27, 2024 · Currently circulating variants of concern (VOCs) as of 15 March 2023. Note: To better reflect the current variant landscape, which is dominated by Omicron descendent lineages, WHO updated its tracking system and working definitions of VOCs and VOIs on 15 March 2023. 4 October 2023.

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  5. www.mayoclinic.org › coronavirus › expert-answersCOVID-19 variants: What's the concern? - Mayo Clinic

    Nov 4, 2023 · Together the omicron variants make up nearly all COVID-19 infections in the United States. People who are up to date on their vaccines can get breakthrough infections. They can then spread the virus to others. But the COVID-19 vaccines can work to prevent severe illness.

  6. www.cdc.gov › coronavirus › 2019-ncovSARS-CoV-2 Variant Classifications and Definitions

    Sep 1, 2023 · Variants of SARS-CoV-2, the virus that causes COVID-19, have been reported in many countries around the world. Learn more about the current variants of concern. CDC provides credible COVID-19 health information to the U.S.

  7. www.hopkinsmedicine.org › health › conditions-and-diseasesCOVID Variants: What You Should Know | Johns Hopkins Medicine

    Apr 8, 2022 · Alpha, beta, gamma, delta and omicron variants of the SARS-CoV-2 coronavirus are classified as variants of concern. A variant of high consequence is a variant for which current vaccines do not offer protection. As of now, there are no SARS-CoV-2 variants of high consequence. Will the COVID-19 vaccines and boosters work on the new variants?

  8. www.who.int › item › coronavirus-disease-(covid-19)-variants-of-sars-cov-2Coronavirus disease (COVID-19): Variants of SARS-COV-2

    Nov 20, 2023 · What are variants of SARS-COV-2, the virus that causes COVID-19? 2. What is the difference between variants under monitoring, variants of interest, and variants of concern? 3. What can I do to protect myself from SARS-CoV-2 variants? 4. How can we stop new variants from emerging? 5. Do COVID-19 vaccines protect against newer virus variant?

  9. www.who.int › emergencies › overviewTracking SARS-CoV-2 variants - World Health Organization (WHO)

    Apr 3, 2024 · From May 2021 onwards, WHO began assigning simple, easy-to-say labels for key variants. Considerable progress has been made in establishing and strengthening a global system to detect signals of potential VOIs or VOCs and rapidly assess the risk posed by SARS-CoV-2 variants to public health.

  10. www.nytimes.com › interactive › 2021Tracking Omicron and Other Coronavirus Variants

    Current Variants in the United States. Estimated prevalence as of May 21, 2022. Omicron BA.2.12.1. 57.9% Omicron BA.2. 39.1% Others. Source: Centers for Disease Control and Prevention. · BA.4 and...

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