Human Papillomaviruses
Human papillomavirus (HPV) is that the commonest virus
infection of the reproductive tract. Most sexually active women and men are going to be infected at some point in their lives and a few could also be repeatedly infected. The peak time for acquiring
infection for both women and men is shortly after becoming sexually active. HPV is sexually transmitted, but penetrative sex isn't required for transmission. Skin-to-skin genital contact may be a well-recognized mode of transmission. There are many sorts of HPV, and lots of don't cause problems. HPV infections usually clear up with none intervention within a couple of months after acquisition, and about 90% clear within 2 years. A small proportion of infections with certain types of HPV can persist and progress to cervical cancer. Cervical
cancer is far and away the foremost common HPV-related disease. Nearly all cases of cervical
cancer are often due to HPV infection. The
infection with certain HPV types also causes a proportion of cancers of the anus, vulva, vagina, penis and oropharynx, which are preventable using similar primary prevention strategies as those for cervical cancer. Non-cancer causing kinds of HPV (especially types 6 and 11) can cause genital warts and respiratory papillomatosis (a disease during which tumours grow within the air passages leading from the nose and mouth into the lungs). Although these conditions very rarely end in death, they'll cause significant occurrence of disease. Genital warts are quite common, highly infectious and affect sexual life.
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