Many people are confused about cervical cancer, how to fight HPV bivalent, quadrivalent, and ninevalent vaccines, and they are even more confused about how to prevent and screen.

April 15-21 is the 28th National Cancer Prevention Awareness Week in China.

The "Medical Line Observation" column of Chinanews.com invited Tan Xianjie, chief physician of the Department of Obstetrics and Gynecology of Peking Union Medical College Hospital, to interpret the topic of cervical cancer prevention and treatment.

Responsible editor: [Li Ji]