The difference between nine-valence and four-valence

Choosing vaccines by age: Nine-valent vaccine is suitable for women aged 65,438+06-26, and four-valent vaccine is suitable for people aged 20-45. Choose the right vaccine according to your age.

Nine-valent vaccine prevents more viruses: tetravalent vaccine is aimed at HPV6, 1 1, 16, 18, and nine-valent vaccine covers HPV6, 1 1, 16.

Prevention of other cancers: Nine-valent vaccine also shows higher effect in preventing anal cancer, vaginal cancer, vulvar cancer and oropharyngeal cancer.