The difference between the quadrivalent cervical cancer vaccine and the quadrivalent cervical cancer vaccine is the number of different types of viruses that can be prevented. The higher the price point, the more types of viruses are prevented, so you can choose the right vaccine for injection according to your age and financial situation. The cervical cancer vaccine requires three injections, using the 0, 2 and 6 injection method, and can only provide good protection if the vaccine is administered within the prescribed time frame. The cervical cancer vaccine, like other vaccines, may cause fever, diarrhea, local redness, swelling, pain and discomfort in a small number of women during the injection process, which can be treated symptomatically.