Q: HPV apparently has different subtypes. What can you tell me about them?
A: Human papilloma virus infection can consist of as many as 150 different subtypes. Some are related to skin infection (causing warts). Some are more common in genital or respiratory sites. Genital lesions are typically called condylomata, or genital warts. In the airway, the lesions are typically called papillomas. Commonest subtypes in the airway are types 6 and 11. These two subtypes comprise the vast majority of our patients at BVI. We have patients who have also tested positive for types 16, 18, 45, 55, and a few others.