Juvenile onset recurrent respiratory papillomatosis (JORRP) is caused by human papillomavirus (HPV), almost exclusively type 6 and 11. The disease is well-known for its recurrence and difficulty in management. The peak incidence is around 2-3 year of age. Since HPV infection has always been considered a sexual transmitted disease, the rate of vertical or perinatal transmission had been studied extensively. However, few studies focused on HPV 6 and 11.