How old is the ninth-order human papilloma vaccine?

Nine-valent human papillomavirus vaccine is suitable for women aged 16-26 years old, and the three injections are administered in an orderly manner according to the intervals of 0, 2, and 6 months, and if the patient has a history of sexual intercourse, he or she is usually required to do an HPV examination before vaccination.
The nine-valent human papillomavirus vaccine has been studied, and it can prevent more than 90% of cervical cancers, and has a certain preventive effect on HPV types 16, 31 and 33. After vaccination, the effect can usually be maintained for more than 10 years. If subsequent patients want to be revaccinated, they can consult their doctors first to see if it is suitable to be revaccinated.
Adverse symptoms such as fever and itching may occur after vaccination with the HPV-9 vaccine, and if they are too severe, it is important to inform the doctor and receive treatment.