Mayaro virus

noun

Ma·​ya·​ro virus mä-ˈyä-rō- How to pronounce Mayaro virus (audio)
: a togavirus (Alphavirus mayaro) that is found in tropical South America, is transmitted by mosquitoes especially of the genus Haemagogus, and is the causative agent of an acute illness marked chiefly by fever, joint pain, and rash

Cite this Entry

“Mayaro virus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Mayaro%20virus. Accessed 9 Nov. 2025.

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