This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sexually transmitted diseases, Subject name: Dental
Genital was are most commonly caused by which of the following serotypes of IHPV? 
Select and explain. 
A. HPV 6, B. HPV 16, C. HPV 18, D. HPV 33
A: HPV 6
Answer: A: HPV 6 
Explanation: <p> WAS:- Caused by human papilloma virus. Anogenital was caused by HPV 6,11,16,18,31,33. Out Of these 6 is mostly involved. These virus invade squamous epithelium and trigger cell proliferation. Viruses mainly being transmitted by fomites ,scratching, and auto inoculation. {Reference: IADVL textbook of dermatology, vishalakshi Vishwanath pg no.67.}</p>