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  1. Dec 12, 2021 · Go to: 1. Introduction. Severe acute respiratory syndrome coronavirus 2 ( SARS-CoV-2 ), also known as “the novel coronavirus” due to genome variation relative to previously identified coronaviruses, is a positive sense RNA virus and the etiological agent of COVID-19.

  2. 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.

  3. Mar 16, 2023 · Tracking SARS-CoV-2 variants Tracking SARS-CoV-2 variants All viruses, including SARS-CoV-2, the virus that causes COVID-19, change over time. Most changes have little to no impact on the virus’s properties.

  4. Nov 20, 2023 · Last updated on 20 November 2023. 1. 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. Apr 4, 2020 · SARS-CoV-2 is efficiently transmitted from person-to-person and has thus able to spread rapidly across all continents in our globalized world. In the resulting COVID-19 pandemic, 601,478 people have been infected and 27,961 patients have died so far (as of March 28, 2020, source: Johns Hopkins University).

  6. Dec 20, 2023 · Currently, antibody tests are not recommended for assessing SARS-CoV-2 immunity following COVID-19 vaccination or for assessing the need for vaccination in a person who is unvaccinated. The FDA has issued EUAs for more than 80 SARS-CoV-2 serologic tests since the beginning of the pandemic.

  7. Aug 25, 2021 · The search for the origins of SARS-CoV-2 is at a critical juncture. There is willingness to move forward from both the WHO international team and the Chinese team.

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