Rheumatoid Arthritis Support

Polyarthritis is most often caused by an auto-immune disorder such as Rheumatoid arthritis, Psoriatic arthritis, and Lupus erythematosus but can also be caused by infection with an alphavirus such as Chikungunya Virus and Ross River Virus. This condition is termed Alphavirus Polyarthritis Syndrome. Sindbis Virus, which is endemic in Northern Europe, Africa, the Middle East, and Australia, is the most widely distributed of the alphaviruses causing polyarthritis, though infection is usually mild or asymptomatic.


Adapted from the Wikipedia article Polyarthritis, under the G. N. U. Free Documentation License. Please also see http://en.wikipedia.org/wiki