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3. www.cdc.gov › coronavirus › 2019-ncovVariants of the Virus | CDC

   www.cdc.gov › coronavirus › 2019-ncov

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   Feb 6, 2023 · New variants of SARS-CoV-2, the virus that causes COVID-19, will continue to occur. CDC coordinates collaborative partnerships which continue to fuel the largest viral genomic sequencing effort to date. The Omicron variant, which emerged in November 2021, has many lineages.

   • Symptoms

     COVID-19 is caused by infection with a coronavirus named...

   • Vaccines

     Everyone 6 months and older should get an updated COVID-19...

   • Definitions & Classifications

     Throughout the COVID-19 pandemic, many variants of...

   • Cdc's Role in Tracking Variants

     What is CDC doing to track SARS-COV-2 variants? In the...

   • Variant Surveillance

     Learn about genomic surveillance of SARS-CoV-2, which causes...

   • How Coronavirus Spreads

     Coronavirus Disease 2019 (COVID-19) is most often spread...

   • Ventilation

     Good ventilation, along with other preventive actions, can...

4. en.wikipedia.org › wiki › Variants_of_SARS-CoV-2Variants of SARS-CoV-2 - Wikipedia

   en.wikipedia.org › wiki › Variants_of_SARS-CoV-2

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   Variants of severe acute respiratory syndrome coronavirus 2 ( SARS-CoV-2) are viruses that, while similar to the original, have genetic changes that are of enough significance to lead virologists to label them separately. SARS-CoV-2 is the virus that causes coronavirus disease 2019 (COVID-19).

5. data.who.int › dashboards › covid19COVID-19 variants | WHO COVID-19 dashboard

   data.who.int › dashboards › covid19

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   To identify variants, scientists map the genetic material of viruses (known as sequencing) and then look for differences between them to see if they have changed. Since 2020, SARS-CoV-2, the virus that causes COVID-19, has been spreading and changing globally.

6. www.yalemedicine.org › news › covid-19-variants-ofOmicron, Delta, Alpha, and More: What To Know About the ...

   www.yalemedicine.org › news › covid-19-variants-of

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   Sep 1, 2023 · The CDC says that while breakthrough infections in vaccinated people are expected, staying up to date with vaccinations is the best protection against Omicron. Scientists are evaluating the effectiveness of a new fall 2023 updated COVID-19 booster against EG.5 and BA.2.86, according to the CDC.

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

   www.who.int › activities › tracking-SARS-CoV-2-variants

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   Mar 27, 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.

8. ourworldindata.org › grapher › covid-variants-barSARS-CoV-2 sequences by variant - Our World in Data

   ourworldindata.org › grapher › covid-variants-bar

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   School closures during the COVID-19 pandemic. Share of SARS-CoV-2 sequences that are the delta variant. Share of SARS-CoV-2 sequences that are the omicron variant. Share of global daily COVID-19 vaccine doses administered as boosters. Share of people who completed the initial COVID-19 vaccination protocol.