What is the best age for HPV vaccine?

The sooner the HPV vaccine is administered, the better. At present, most of the vaccines owned by China are imported vaccines, and the earliest injection age is 9 years old. Because with the age, the chances of exposure to HPV infection and the types of HPV infection will increase, and the possibility of related diseases will increase. Therefore, the earlier the HPV vaccine is injected, the HPV infection can be prevented before exposure. HPV vaccine is suitable for people aged 9 to 45 years old, 4-valent HPV vaccine is suitable for people aged 18 to 45 years old, and 9-valent HPV vaccine is suitable for people aged 9 to 26 years old. HPV screening should be done before vaccination. If there is HPV infection, it should not be vaccinated. For pregnant women and pregnant women, it should not be vaccinated.