风疹是由风疹病毒引起的,主要通过蚊、蜱等作为媒介传播。本病多发于冬春季,常可引起流行幼儿及儿童较多见。患儿通过空气、飞沫将病毒传播。患儿发病后,病毒可在其鼻咽部和尿液中存活长达几周之久。宝宝接触患儿后的14～21天,出现发热、咳嗽、流鼻涕、胃口差,有时伴有呕吐、腹泻、咽痛、头痛等症状。 Rubella is caused by the rubella virus, mainly through mosquitoes, ticks and other media as a medium. The disease occurs in winter and spring, often can cause more popular children and children. Children through the air, droplets spread the virus. After the onset of the disease, the virus can survive in its nasopharynx and urine for up to several weeks. After contact with children 14 to 21 days after the baby, fever, cough, runny nose, poor appetite, and sometimes accompanied by vomiting, diarrhea, sore throat, headache and other symptoms.