alphavirus

Alphavirus is a genus of RNA VIRUSES belonging to the family Togaviridae. Alphaviruses are a type of ARBOVIRUS and are commonly transmitted between hosts through MOSQUITO bites. Many alphaviruses naturally circulate between mosquitoes and animal reservoirs, but some can infect humans and cause disease. Human alphavirus infections may produce symptoms such as FEVER, RASH, joint pain, POLYARTHRITIS, or inflammation of the nervous system. Diseases caused by alphaviruses include ROSS RIVER FEVER and O'NYONG NYONG FEVER.

Alphaviruses are viruses spread mainly by mosquitoes that can infect humans and animals and cause illnesses such as fever, rash, or joint pain.

• Group of mosquito-borne RNA viruses • A type of arbovirus • Can infect humans and animals • Often maintained between mosquitoes and animal hosts • May cause fever, rash, joint pain, or neurological disease • Includes viruses causing Ross River fever and O'nyong'nyong fever