Hou Yunde wrote:
>Does anyone know how many types of human papillomavirus have been
>detectedand identified up to date? and how many types among them
>are related to cervix cancer?
More than 70 genotypes of HPV have been identified of which about 20
infect the cervix. Of the HPV types that infect the cervix, types 16,
18, 45 and 56 are considered high risk types.