Rubella in adults is mostly caused by the attack of the organism by the rubella virus. Rubella is an acute respiratory infectious disease caused by rubella virus infection, patients will have fever, red papules all over the body, localized lymph node enlargement and other symptoms, in the early stage of the onset of the patient’s throat secretion and blood, may carry rubella virus. If you are in close contact with a person with rubella, you may be infected with rubella through respiratory droplet transmission. In addition to respiratory droplet transmission, if the patient has allergy, resulting in poor immunity and anti-allergy ability, it is also easy to cause the body to be attacked by the rubella virus. Adults who have rubella should go to the hospital for examination in time. Patients should pay attention to rest and maintain indoor air circulation during the period of illness.