variants or less commonly SARS-CoV
: a strain of the coronavirus (Betacoronavirus pandemicum) that is the causative agent of SARS compare sars-cov-2

Word History

First Known Use

2003, in the meaning defined above

Time Traveler
The first known use of SARS-CoV-1 was in 2003

Browse Nearby Words

Cite this Entry

“SARS-CoV-1.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/SARS-CoV-1. Accessed 6 Nov. 2025.

Medical Definition

SARS-CoV-1

noun
variants also SARS-CoV
: a strain of the coronavirus (Betacoronavirus pandemicum) that is the causative agent of SARS compare sars-cov-2
Last Updated: - Definition revised
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