HPV vaccine can be immune for life?

HPV vaccine can be immune for life 1. HPV vaccine vaccination is not once and for all, but also need to go to the hospital regularly for screening, mainly can not be 100% sure;2. At present, there are many types of HPV found, among which there are more than ten high-risk types, the so-called high-risk type is that can cause malignant tumors, the highest at this stage is nine-valent vaccine, it can only cover nine kinds of which there are two low-risk types; That is to say, the nine-valent vaccine covers only seven high-risk types, which are enough to cause 90% of cervical cancer, so regular screening should be done for prevention.