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What is hpv virus and what are its infection routes?
Human papillomavirus virus generally refers to human papillomavirus. Human papillomavirus (HPV) is a kind of papillomavirus A, a spherical DNA virus, which can cause squamous epithelial hyperplasia of human skin and mucosa. Manifested as common warts, genital warts (condyloma acuminatum) and other symptoms. With the rapid increase of the incidence of condyloma acuminatum in sexually transmitted diseases and the increase of cervical cancer and anal cancer, human papillomavirus infection has attracted more and more attention.

There are many ways of human papillomavirus infection. One is sexual transmission, which is the most common mode of transmission. Second, close contact and transmission, such as skin contact, the virus invades the human body through damaged skin mucosa; The third is indirect contact transmission, that is, contact with the daily necessities of virus carriers; Fourth, mother-to-child transmission, from infected pregnant women to their babies through the birth canal; The fifth is iatrogenic infection, which is caused by improper self-protection of medical staff.

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Age of HPV vaccination:

At present, the vaccines developed for the prevention of cervical cancer in the world have shown good effects, among which bivalent vaccines are mainly aimed at preventing cervical precancerous lesions and cervical cancer caused by human papillomavirus-16 and 18 subtypes, and are approved for women aged 9-45 in the world and China.

Tetravalent vaccines are mainly used to prevent precancerous lesions, canceration, condyloma acuminatum and genital infections caused by human papillomavirus -6,1,16 and 18 subtypes, and are suitable for Chinese women aged 9-45. The nine-valent vaccine is mainly aimed at vulvar cancer, cervical cancer, vaginal cancer, anal cancer and genital warts caused by subtypes of human papillomavirus -6,118, 3 1, 33, 45, 52 and 58, and is applicable in China.

Baidu encyclopedia-human papillomavirus

People's Daily Online-Vaccinate HPV in time? Stay away from cervical cancer