HPV stands for Human Papilloma virus. It is a group of non-enveloped DNA Viruses specifically infect Human Epithelial([ˌɛpɪˈθiːljəl]上皮)Cells. They are hundred different types of HPVs depending on the types of epithelial cells they prefer to infect for instance Cutaneous(皮肤的) [kjuˈteɪniəs]epithelial cells of the skin(face,hands and feet),mucous membrane(respiratory tract like larynx,pharynx,nasal and genital regions).
It is common sexually transmitted infection that affects both men and women,it is mainly transmitted from infected epithelial cells to another healthy epithelial cells for instance transmission through sexual contact, including vaginal, anal[ˈeɪnl] and delivery of a baby through an infected birth canal.
Infections are more likely to increase if an individual is already immunocompromised,has a multiple sexual partners that can lead to carcinoma(cancer that forms in epithelial tissue).
Therefore HPV causes uncontrolled replication of epithelial cells forming warts and disrupts the normal structure of the epithelial tissue forming damage,injury,wound on tissue or organ,here down are some symptoms or signs of HPV in both women and men.
Over 200 types of HPV viruses have been identified, which can be categorized into high-risk type and low-risk type according to different carcinogenicity. High-risk types are the main culprits of cervical cancer, and more than 99% of cervical cancers are related to persistent HPV infection; low-risk types are the causes of STDs in women and men.
What diseases can HPV infection cause?
Females: Condyloma acuminatum, low-grade precancerous cervical lesions[ˈliʒənz损伤], cervical cancer, vulvar外阴的 cancer, vaginal cancer, anal cancer, oral cancer, pharyngeal cancer.
Male: Condyloma acuminatum, penile cancer, anal cancer, oral cancer, pharyngeal cancer.
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