Answer:
The right statement is 3) Human papillomavirus is the cause of essentially all cases of cervical cancer.
Explanation:
Human papillomavirus or HPV is the most common caused of viral infection that is transferred from one person to another via skin. There are above hundred types of HPV and more than 40 of them are transferred via sexual contact and can affect genitals, mouth and throat.
Some clinical studies confirmed that HPV is the common cause of essentially all cases of cervical cancer.
Cervical cancer is caused by sexual transfer of virus with few types of HPV. Type 16 and Type 18 are the common causing agent for cervical cancer. They are responsible for about 70% of cervical cancers and cervical lesions.