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Severe acute respiratory syndrome coronavirus 2 (SARS‑CoV‑2) is a strain of coronavirus that causes COVID-19, the respiratory illness responsible for the COVID-19 pandemic. The virus previously had the provisional name 2019 novel coronavirus (2019-nCoV), and has also been called human coronavirus 2019 (HCoV-19 or hCoV-19).
- membrane proteins (M)
- spike glycoprotein (S)
News about COVID-19, FLiRT variants, KP.2
News about SARS-CoV-2, raccoon dogs, spike protein
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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.
Oct 6, 2020 · Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a highly transmissible and pathogenic coronavirus that emerged in late 2019 and has caused a pandemic of acute...
- Ben Hu, Hua Guo, Peng Zhou, Zheng Li Shi
- 2021
Jan 9, 2024 · Updated Jan. 9, 2024. Print. Key Points. People who have symptoms of COVID-19 or who have had known exposure to someone with COVID-19 should be tested for SARS-CoV-2 infection. Screening testing may be appropriate in some specific settings. On This Page. Considerations When Testing. Testing for SARS-CoV-2 Infection.
Dec 12, 2021 · 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.
Nov 20, 2023 · Since 2020, SARS-CoV-2, the virus that causes COVID-19, has been spreading and changing globally. These changes have led to the detection of variants in many countries around the world. The more significant of these variants are grouped in three different ways – variants under monitoring, variants of interest and variants of concern. 2.
- 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...
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.
