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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).
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Severe acute respiratory syndrome coronavirus 2 (SARS‑CoV‑2)...
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18.2–33.5 million [6] (estimated) Coronavirus disease 2019 (...
- SARS-CoV-2
May 3, 2024 · 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.
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?
- 1. What are variants of SARS-COV-2, the virus that causes COVID-19?It is usual for viruses to change and evolve as they spread between people over time. When these changes become significantly different to a previo...
- 2. What is the difference between variants under monitoring, variants of interest, and variants of concern?A Variant Under Monitoring (VUM) is a term used to signal to public health authorities that a SARS-CoV-2 variant may require prioritized attention...
- 3. What can I do to protect myself from SARS-CoV-2 variants?To protect yourself and others from all SARS-CoV-2 (COVID-19), including all the virus variants, consider the following: wear a mask when in crowd...
- 4. How can we stop new variants from emerging?As with all viruses, SARS-CoV-2, the virus that causes COVID-19, will continue to evolve as long as it continues to spread. The more that the virus...
- 5. Do COVID-19 vaccines protect against newer virus variant?The COVID-19 vaccines with WHO Emergency Use Listing (EUL) or approval from stringent regulatory authorities (SRAs) provide different levels of pro...
May 14, 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.
Nov 4, 2023 · Omicron. The main variant in the United States is omicron. This variant spreads more easily than the original virus that causes COVID-19 and the delta variant. But omicron seems to cause less severe disease. Omicron has a few major offshoots, also called sublineages.
