Alphavirus infections

Alphavirus infections

Alphaviruses are a genus of ssRNA viruses that are primarily transmitted by mosquitoes. The seven alphaviruses which may have musculoskeletal manifestations are listed in the below table. Treatment is generally supportive and consists of analgesics and rest.

Geographic Distribution of Various Alphaviruses

AlphavirusGeographic Distribution
ChikungunyaEast Africa, India, Southeast Asia, the Philippines, Caribbean, Central/South America
O’nyong-nyongEast Africa
Ross RiverAustralia, New Zealand, South Pacific Islands
MayaroSouth America (Bolivia, Brazil, Peru)
Sindbis (Karelian fever)Sweden, Finland, Isthmus of Russia
Igbo-ora virusNigeria

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