morbillivirus

noun

: any of a genus (Morbillivirus) of paramyxoviruses that include the causative agents of canine distemper, measles, and rinderpest

Examples of morbillivirus in a Sentence

Recent Examples on the Web
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In 2016, scientists began to vaccinate Hawaiian monk seals against a deadly strain of morbillivirus. — Christina Larson, Chicago Tribune, 9 May 2023 In 1735, a novel disease that looked a lot like morbillivirus in humans broke out in dogs in Ecuador and Peru. — New York Times, 19 Jan. 2022 Plus, there’s currently no vaccine to inoculate monk seals from toxoplasmosis the way that HMSRP has been doing as a preventative against a morbillivirus outbreak. — Kim Steutermann Rogers, Smithsonian, 9 July 2018 The School of Oceanography at the State University of Rio de Janeiro confirmed that cetacean morbillivirus, which can infect dolphins, porpoises, and whales, killed the marine mammals. — Elaina Zachos, National Geographic, 12 Jan. 2018

Word History

Etymology

New Latin, from morbillus spot on the skin, pustule (from Medieval Latin, diminutive of Latin morbus) + virus

First Known Use

1976, in the meaning defined above

Time Traveler
The first known use of morbillivirus was in 1976

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Cite this Entry

“Morbillivirus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/morbillivirus. Accessed 28 Sep. 2026.

Medical Definition

morbillivirus

noun
mor·​bil·​li·​vi·​rus -ˌvī-rəs How to pronounce morbillivirus (audio)
1
Morbillivirus : a genus of single-stranded RNA viruses of the family Paramyxoviridae that includes the causative agents of measles, canine distemper, and rinderpest
2
: any of the genus Morbillivirus of paramyxoviruses

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