Patient's question:
Female, 30 years old, got the cervical cancer vaccine with friends. She is not very familiar with this vaccine, so she wants to ask what the difference is between HPV vaccines.Doctor's answer:
Bivalent vaccine: It can prevent HPV viruses of subtypes 16 and 18 (plus cross-protection against 31, 33, and 45).Quadrivalent vaccine: It can prevent cervical cancer caused by HPV types 6, 11, 16, and 18. Although HPV 6 and HPV 11 are not high-risk HPV viruses for cervical cancer, they can cause genital warts.
Nonavalent vaccine: It can prevent nine subtypes of HPV viruses, including 6, 11, 16, 18, 31, 33, 45, 52, and 58. It not only prevents precancerous lesions of vulvar cancer, vaginal cancer, anal cancer, vaginal cancer, and genital warts but also most cases of cervical cancer.