Ross River Virus means the mosquito-transmitted virus and the similar Barmah Forest virus which cause epidemic polyarthritis—ie, acute arthritis in many joints causing severe aches and pain. Viral arthritis does not usually damage the joints like RA, but the Arthritis and fatigue can sometimes last for years before the joint returns to normal. Symptoms include chronic fatigue, rashes, severe headaches, impaired concentration and memory as well as Depression. There is no specific treatment of or vaccination against Ross River Virus, although scientists are working to develop a vaccine.