Human Papillomavirus Overview

Papillomaviruses are a diverse group of DNA-based viruses that infect the skin and mucous membranes of humans and a variety of animals. Approximately 130 human papillomavirus types have been identified. Some HPV types can cause warts while others may cause a subclinical infection resulting in precancerous lesions. All HPVs are transmitted by skin-to-skin contact and/or by fomites. A group of about 30-40 HPVs is typically transmitted through sexual contact and...