Difference between bivalent, tetravalent and nonavalent cervical cancer vaccines

There are several differences between bivalent, tetravalent and nonavalent cervical cancer vaccines:

The main differences between bivalent, tetravalent and nonavalent human papillomavirus vaccines lie in the different pathogens covered, different vaccination procedures and different applicable ages.

1, covering different pathogens, bivalent vaccine can mainly prevent high-risk type, tetravalent vaccine and nine-valent vaccine.

2. Vaccination procedures are different. Domestic bivalent vaccine can be inoculated twice before 14 years old, and the vaccination procedures of tetravalent vaccine and nonavalent vaccine are 0, 2 and 6 months.

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