Difference between HPV vaccine 2-valent 4-valent 9-valent

HPV vaccine is fully known as human papillomavirus vaccine, bivalent, quadrivalent, nine-valent HPV vaccine mainly in the prevention of the type of HPV, the application of the age group, the time of vaccination and so on there are differences.
1. The preventive HPV types are different: bivalent cervical cancer vaccine can prevent the infection of HPV types 16 and 18. Quadrivalent cervical cancer vaccine can prevent infection of types 6, 11, 16 and 18. Nine-valent cervical cancer vaccine can prevent infection of types 6, 11, 16, 18, 31, 33, 45, 52, 58.
2. Age group of application: the appropriate age for bivalent HPV vaccine is 9 to 45 years old, the appropriate age for quadrivalent HPV vaccine is 9 to 45 years old, and the appropriate age for nine-valent HPV vaccine is 16 to 26 years old.
3. Vaccination time is different: bivalent HPV vaccine is recommended to be vaccinated once in 0, 1, and 6 months, a total of 3 times. Quadrivalent HPV vaccine is recommended to be immunized once in 0, 2 and June, totaling 3 times. Nine-valent HPV vaccine is recommended to be administered once in months 0, 2, and 6 for a total of 3 doses.
Patients can go to hospitals to consult with professional doctors, and under the guidance of doctors, choose the appropriate HPV vaccine according to their age and physical condition, and go to regular medical institutions for vaccination.