neuroinvasive

adjective

: infecting or capable of infecting the nervous system and especially the central nervous system
a neuroinvasive virus
The most lethal pediatric neuroinvasive arboviral disease is eastern equine encephalitis virus infection, with a 38% mortality rate.—Bruce Jancin
Most people who get West Nile virus will not show symptoms, but the 1 percent who contract the neuroinvasive form can experience meningitis, encephalitis and paralysis.—Brittany Hanson
also : of, relating to, or caused by a neuroinvasive disease or infection
… 37% of West Nile patients whose cases were reported to the government developed "neuroinvasive" complications, like meningitis, encephalitis and paralysis. —Marilyn Chase

Examples of neuroinvasive in a Sentence

Recent Examples on the Web
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All of the 101 deaths occurred in those with neuroinvasive disease. — Beth Mole, Ars Technica, 27 Apr. 2023 As Hermance and Thangamani report in Vector Borne and Zoonotic Diseases, Powassan virus is the cause of a severe neuroinvasive disease with a 10% mortality rate. — William A. Haseltine, Forbes, 23 May 2022 He was diagnosed with West Nile neuroinvasive disease, a more severe form of the illness. — Dallas News, 7 Apr. 2022 West Nile killed 11 people and caused 101 cases of neuroinvasive infections — those linked to serious illness such as meningitis or encephalitis — in Colorado in 2021, the highest numbers in 18 years. — The Salt Lake Tribune, 31 Mar. 2022

Word History

Etymology

neuro- + invasive entry 1

First Known Use

1966, in the meaning defined above

Time Traveler
The first known use of neuroinvasive was in 1966

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Cite this Entry

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

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