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SARS-CoV-2

American

[sahrz-koh-vee-too] / ˈsɑrzˈkoʊ viˈtu /

noun

Pathology.

Severe Acute Respiratory Syndrome-Coronavirus 2: the strain of a coronavirus that causes COVID-19. First identified in 2019, it subsequently set off a global pandemic.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In this system, the SARS-CoV-2 HR2 vaccine also generated strong antigen-specific immune responses in human cells.

From Science Daily • Mar. 17, 2026

This improvement helped increase the detection of viral RNA from pathogens such as SARS-CoV-2, as well as DNA from other infectious agents.

From Science Daily • Mar. 14, 2026

The first cases were detected in Wuhan in China in late 2019, and understanding where the SARS-CoV-2 virus came from is seen as key to preventing future pandemics.

From Barron's • Feb. 11, 2026

Laboratory analyses showed strong IgG responses and neutralizing antibodies against SARS-CoV-2, along with immune-related proteins and metabolites linked to early host defense.

From Science Daily • Jan. 8, 2026

During 2020 and 2021, for instance, these methods enabled the rapid decoding and worldwide monitoring of the SARS-CoV-2 genome.

From Science Daily • Oct. 28, 2025

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023