The differences between the bivalent, quadrivalent and nonavalent cervical cancer vaccines are as follows:

The main difference between the bivalent, quadrivalent and nonavalent HPV vaccines is the different types of pathogens they cover. , different vaccination procedures and different applicable ages.

1. The general categories of pathogens covered are different. The bivalent vaccine can mainly prevent high-risk types, the quadrivalent vaccine can prevent four types of viruses, and the nine-valent vaccine has several more types than the quadrivalent vaccine.

2. The vaccination procedures are different. The domestic bivalent vaccine can be vaccinated twice before the age of 14. The vaccination procedures for the quadrivalent vaccine and the nine-valent vaccine are 0, 2 and 6 months.

3. Applicable age: bivalent and quadrivalent vaccines are suitable for those between 9 and 45 years old, and nine-valent vaccines are suitable for those between 16 and 26 years old.