ad·​e·​no·​vi·​rus | \ ˌa-də-nō-ˈvī-rəs How to pronounce adenovirus (audio) \

Definition of adenovirus

: any of a family (Adenoviridae) of double-stranded DNA viruses originally identified in human adenoid tissue, causing infections of the respiratory system, conjunctiva, and gastrointestinal tract, and including some capable of inducing malignant tumors in experimental animals

Other Words from adenovirus

adenoviral \ ˌa-​də-​nō-​ˈvī-​rəl How to pronounce adenovirus (audio) \ adjective

Examples of adenovirus in a Sentence

Recent Examples on the Web Indeed, a growing body of evidence suggests that the two-dose messenger RNA vaccines from Pfizer and Moderna actually require three shots to provide durable protection and that the one-shot adenovirus vaccine from J&J actually requires two., 9 Oct. 2021 Current language on the CDC indicates that third-dose shots will likely be offered for the other two vaccines — Moderna's mRNA vaccine and Johnson & Johnson's adenovirus vaccine — on an emergency approval plan here in the U.S. Zee Krstic, Good Housekeeping, 4 Oct. 2021 Both the Johnson & Johnson and the AstraZeneca vaccines use an adenovirus technology to train the immune system to fight the coronavirus. NBC News, 16 Dec. 2021 Both of those vaccines are made similarly, using a cold virus known as an adenovirus, although AstraZeneca’s shot is not used in the U.S., 16 Dec. 2021 Sure enough, the adenovirus shell and PF4 were attracted to each other. Melina Walling, The Arizona Republic, 6 Dec. 2021 Finally, the researchers analyzed the neutralization of each variant by antibodies administered by vaccination, both by adenovirus vaccines like AstraZeneca and mRNA vaccines like Pfizer. William A. Haseltine, Forbes, 12 Nov. 2021 AstraZeneca’s formulation is based on a chimpanzee adenovirus. New York Times, 19 Oct. 2021 The cell line is used to grow the adenovirus that delivers the vaccine’s payload, but none of those cells — or any other fetal cells — are an ingredient in the vaccine. Karen Kaplan Science And Medicine Editor, Los Angeles Times, 7 Sep. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'adenovirus.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of adenovirus

1950, in the meaning defined above

History and Etymology for adenovirus

aden(oid) entry 2 + -o- + virus

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Time Traveler for adenovirus

Time Traveler

The first known use of adenovirus was in 1950

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Aden ulcer

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Last Updated

21 Jan 2022

Cite this Entry

“Adenovirus.” Dictionary, Merriam-Webster, Accessed 28 Jan. 2022.

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More Definitions for adenovirus


ad·​e·​no·​vi·​rus | \ ˌad-ᵊn-ō-ˈvī-rəs How to pronounce adenovirus (audio) \

Medical Definition of adenovirus

: any of the family Adenoviridae of double-stranded DNA viruses

Other Words from adenovirus

adenoviral \ -​rəl How to pronounce adenovirus (audio) \ adjective

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