: the coronavirus (Severe acute respiratory syndrome coronavirus 2 of the genus Betacoronavirus) that is the causative agent of COVID-19

Examples of SARS-CoV-2 in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In its place now stands a site promoting the unproven idea that the pandemic virus SARS-CoV-2 was generated in and leaked from a lab in China, sparking the global health crisis. ArsTechnica, 18 Apr. 2025 In one of their earlier studies, the Penn team added an antiviral protein called CTB-ACE2 to gum, which neutralized over 95 percent of SARS-CoV-2 particles in the saliva of COVID-19 patients, including major variants like beta, delta, and omicron. Jenny Lehmann, Discover Magazine, 9 Apr. 2025 Above: Inspectors in Oakland, Calif., collect samples to send to labs that will try to detect the SARS-CoV-2 virus. Gabrielle Emanuel, NPR, 14 Mar. 2025 But tests for influenza A, B, and SARS-CoV-2, which could be responsible for these symptoms, reportedly came back negative. Ron Estes, MSNBC Newsweek, 31 Mar. 2025 Epidemiological and genetic studies suggest that SARS-CoV-2 first spilled over to humans from wild animals sold in the Huanan live animal market in Wuhan, China. Bradley J. Cardinale, The Conversation, 27 Mar. 2025 Back in 2021, at the height of the pandemic, scientists at Pfizer revealed the development of a novel antiviral molecule, designed to hinder the SARS-CoV-2 virus’s ability to replicate. Rich Haridy, New Atlas, 18 Mar. 2025 As the SARS-CoV-2 virus quickly spread around the globe, weaknesses in the world's ability to respond to an infectious disease outbreak became apparent – from an inability to get critical medical supplies to those in need to limits on tracking the disease. Gabrielle Emanuel, NPR, 14 Mar. 2025 Other viruses, like respiratory syncytial virus (RSV) and the SARS-CoV-2 virus that causes COVID-19, are also common during winter. Jennifer Welsh, Verywell Health, 11 Mar. 2025

Word History

First Known Use

2020, in the meaning defined above

Time Traveler
The first known use of SARS-CoV-2 was in 2020

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Cite this Entry

“SARS-CoV-2.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/SARS-CoV-2. Accessed 22 Apr. 2025.

Medical Definition

SARS-CoV-2

noun
: the coronavirus (Severe acute respiratory syndrome coronavirus 2 of the genus Betacoronavirus) that is the causative agent of COVID-19 see delta variant, omicron variant
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