Abstract
HPV, whose full name is human papillomavirus, is common virus which can cause several kinds of disease includes all kinds of warts and even cancers. Studies show that almost 100% of cervical cancers are caused by HPV infection. Nearly 600,000 people worldwide are infected with HPV each year, and more than 300,000 of them die from cervical cancer. Efficient therapeutic vaccine has not been produced nowadays so prophylactic vaccine is the only choice for people who do not want to be infected by HPV. There are 4 types of proven vaccine of HPV in the world and they cover different subtypes, which mainly include bivalent HPV vaccine, 4-valent HPV vaccine and 9-valent HPV vaccine. Bivalent HPV vaccine can prevent more than 70% of cervical cancer caused by HPV. The 4-valent HPV vaccine can prevent 71% of cervical cancer caused by high-risk HPV viruses and about 90% of warts and other diseases caused by low-risk HPV viruses. 9-valent HPV vaccine, with a better protection, can prevent than 90% of cervical cancer.Moreover, various kinds of new vaccines of HPV are researching in the lab till today.
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