This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: ENT
All of the following statements about Recurrent Laryngeal Papillomatosis are true, EXCEPT: 
Select and explain. 
A. Caused by Human Papilloma Virus (HPV), B. HPV6 and HPV11 are most commonly implicated, C. HPV6 is more virulent than HPV11, D. Transmission to neonate occurs through contact with mother during vaginal delivery
C: HPV6 is more virulent than HPV11
Answer: C: HPV6 is more virulent than HPV11 
Explanation: HPV 11 related Recurrent respiratory papillomatosis is more aggressive than HPV 6 mediated disease is suppoed by the clinical evidence. HPV 11 does demonstrate a greater probability of producing malignant changes also.