Systematic reviews of the prevalence of different types of Human Papillomavirus (HPV) across a broad range of disease grades from normal to cancer are essential to gain basic knowledge of how widespread infections with the different HPV types are, and to provide information on the possible carcinogenicity of different HPV types. For HPV types that infect human mucosa, of which 12 are established causes of cervical cancer, we present the results of a systematic review and meta-analysis of 47 HPV types in cervical samples across the entire range of cervical diagnoses from normal to cervical cancer, restricted to studies using a number of well characterized PCR assays. For the cutaneous HPV types, which have been linked to the development of squamous cell carcinoma of the skin, their presence has been measured in a variety of different sample types and by assays with variable performance. Therefore, we restricted a systematic review of their prevalence to studies that assayed for cutaneous HPV infection in a case-control format.
Keywords: Cervical cancer; Epidemiology; Meta analysis; Skin cancer.
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