meta·​pneu·​mo·​vi·​rus ˌme-tə-ˈn(y)ü-mō-ˌvī-rəs How to pronounce metapneumovirus (audio)
plural metapneumoviruses
: any of a genus (Metapneumovirus) of pneumoviruses that cause respiratory infections chiefly in humans and birds
especially : human metapneumovirus
Humans are believed to have passed metapneumovirus to mountain gorillas in Africa. Jim Robbins

Examples of metapneumovirus in a Sentence

Recent Examples on the Web This approach that led to remarkably safe and effective vaccines against a new virus is also showing promise against old enemies such as HIV, and infections that threaten babies and young children, such as respiratory syncytial virus (RSV) and metapneumovirus. Maggie Fox, CNN, 1 June 2021 Third, genetic analysis by several different groups shows that the closest recent ancestor of HMPV is a bird virus, avian metapneumovirus. John V. Williams, CBS News, 12 Apr. 2023 After three years of largely being punted out of the limelight, a whole glut of airway pathogens—among them, adenovirus, RSV, metapneumovirus, parainfluenza, common-cold coronaviruses, and rhinoviruses galore—are awfully common again. Katherine J. Wu, The Atlantic, 23 Feb. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'metapneumovirus.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


borrowed from New Latin, from meta- meta- + Pneumovirus pneumovirus

First Known Use

2001, in the meaning defined above

Time Traveler
The first known use of metapneumovirus was in 2001

Dictionary Entries Near metapneumovirus

Cite this Entry

“Metapneumovirus.” Dictionary, Merriam-Webster, Accessed 21 Feb. 2024.

Medical Definition


meta·​pneu·​mo·​vi·​rus ˌmet-ə-ˈn(y)ü-mō-ˌvī-rəs How to pronounce metapneumovirus (audio)
Metapneumovirus : a genus of pneumoviruses that cause respiratory infections chiefly in humans and birds
: any virus of the genus Metapneumovirus
especially : human metapneumovirus
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