Rubella also known as German Measles Or three days Measles, is an infection caused by the rubella virus. This disease is often mild with half of people not realizing that they are infected. A rash may start around two weeks after exposure and last for three days. Causes : Rubella virus ( spread through the air) Symptoms : Rash, swollen lymph nodes, fever, sore, throat, feeling tired. Complications : Testicular swelling, information of nerves, congential rubella synder.. Treatment : supportive care