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Herpes simplex virus 1 (cold sores) and 2 (genital herpes) (HSV-1 and HSV-2), also known by their taxonomic names Human alphaherpesvirus 1 and Human alphaherpesvirus 2, are two members of the human Herpesviridae family, a set of viruses that produce viral infections in the majority of humans. [1] [2] Both HSV-1 and HSV-2 are very common and ...
Herpes simplex, often known simply as herpes, is a viral infection caused by the herpes simplex virus. [5] Herpes infections are categorized by the area of the body that is infected. The two major types of herpes are oral herpes and genital herpes, though other forms also exist. Oral herpes involves the face or mouth.
Genital herpes is a herpes infection of the genitals caused by the herpes simplex virus (HSV). [1] Most people either have no or mild symptoms and thus do not know they are infected. [ 1 ] When symptoms do occur, they typically include small blisters that break open to form painful ulcers . [ 1 ]
Herpes genitalis. The herpes simplex virus (HSV) can infect the vulva, vagina, and cervix, and this may result in small, painful, recurring blisters and ulcers. [1] It is also common for there to be an absence of any noticeable symptoms. [1] Gonorrhea; Chlamydia; Trichomoniasis; Human papillomavirus (HPV), which may cause genital warts. [1]
Women are more likely to be infected with HSV-2 once they are over the age of 40. [5] Children in Egypt with acute lymphoblastic leukemia are often infected with HSV from a young age—HSV-1 or HSV-2 antibodies are present in an estimated 54% of children under the age of 5, and 77% in children over 10 years of age. [25]
Human herpesvirus 6 (HHV-6) is the common collective name for human betaherpesvirus 6A (HHV-6A) and human betaherpesvirus 6B (HHV-6B). These closely related viruses are two of the nine known herpesviruses that have humans as their primary host.
"Coition of a Hemisected Man and Woman" (c. 1492) by Leonardo da Vinci. Human reproduction normally begins with copulation, though it may be achieved through artificial insemination, and is followed by nine months of pregnancy before childbirth. Pregnancy can be avoided with the use of contraceptives such as condoms and intrauterine devices. [10]
Heredity, also called inheritance or biological inheritance, is the passing on of traits from parents to their offspring; either through asexual reproduction or sexual reproduction, the offspring cells or organisms acquire the genetic information of their parents.