arbovirus
noun
ar·bo·vi·rus
ˌär-bə-ˈvī-rəs 
: any of various RNA viruses (as an arenavirus, bunyavirus, or flavivirus) that are transmitted chiefly by arthropods and include the causative agents of dengue, encephalitis, sandfly fever, and yellow fever
Examples of arbovirus in a Sentence
Recent Examples on the Web
Other widespread arboviruses impacting humans include dengue, Zika and yellow fever.
—
Michelle Del Rey, USA Today, 5 Aug. 2025
At this time, there’s no evidence of Eastern equine encephalitis, another arbovirus that occurs sporadically in Massachusetts.
—Rick Sobey, Boston Herald, 18 June 2025
Navarro has dedicated 30 years to studying arboviruses such as dengue, equine encephalitis, Mayaro, and, since 2016, Oropouche.
—Geraldine Castro, WIRED, 20 Dec. 2024
If the arboviruses move into other mosquito species, that’s a separate problem.
—Stephanie Nolen and Eleanor Lutz. Photography and Video By Federico Rios Escobar For The New York Times. Eleanor Lutz, New York Times, 29 Sep. 2023
According to the Ohio Department of Health, the West Nile virus is an arbovirus (infections caused by a bite) spread by bites from infected mosquitoes.
—Cincinnati Enquirer, The Enquirer, 4 Aug. 2023
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Michelle Del Rey, USA Today, 5 Aug. 2025
At this time, there’s no evidence of Eastern equine encephalitis, another arbovirus that occurs sporadically in Massachusetts.
—Rick Sobey, Boston Herald, 18 June 2025
Navarro has dedicated 30 years to studying arboviruses such as dengue, equine encephalitis, Mayaro, and, since 2016, Oropouche.
—Geraldine Castro, WIRED, 20 Dec. 2024
If the arboviruses move into other mosquito species, that’s a separate problem.
—Stephanie Nolen and Eleanor Lutz. Photography and Video By Federico Rios Escobar For The New York Times. Eleanor Lutz, New York Times, 29 Sep. 2023
According to the Ohio Department of Health, the West Nile virus is an arbovirus (infections caused by a bite) spread by bites from infected mosquitoes.
—Cincinnati Enquirer, The Enquirer, 4 Aug. 2023
Cite this Entry
“Arbovirus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/arbovirus. Accessed 31 Oct. 2025.
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