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L'HHV-8 est un virus de la famille des herpesviridae, de la sous-famille des Gammaherpesvirinae et du genre Rhadinovirus. L'HHV-8 n'est pas un virus ubiquitaire. HHV-8 belongs to the herpesviridae family, to the gammaherpesvirinae subfamily, and to the rhadinovirus genus. Whereas several viral homologues exist in non human primates, HHV-8 is the only rhadinovirus known in human. HHV-8 is not an ubiquitous virus. It is mainly endemic in areas of high endemicity for classic or endemic Kaposi's sarcoma including the Mediterranean area and most of East and Central Africa.
One can estimate that several hundred million people are HHV-8 infected worldwide with at least million on the African continent. Modes of infection seem different in low and highly endemic areas. In low endemic areas, HHV-8 is mainly present in the male homosexual population, where this herpesvirus is transmitted during sexual contacts.
In contrast, in highly endemic areas, as Central Africa, HHV-8 transmission occurs mainly from mother to child and between siblings. Heterosexual transmission remains low as well as transmission through blood products. Saliva seems to play a major role in the viral transmission, and may be a reservoir for HHV Journal page Archives Contents list.
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Epidemiological aspects of Human Herpesvirus 8 infection and of Kaposi's sarcoma. Outline Masquer le plan. Le sarcome de Kaposi. Top of the page - Article Outline. Contact Help Who are we? As per the Law relating to information storage and personal integrity, you have the right to oppose art 26 of that law , access art 34 of that law and rectify art 36 of that law your personal data.
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Localisation gastrique de sarcome de kaposi au cours de sida
SIDA, clinique et biologie. Le virus. Robert Gallo et M. Une certaine con-. Ils sont la cause de certains cancers ou animaux. Les deux virus HIV sont des lentivirus.
Kaposi's sarcoma KS is a type of cancer that can form masses in the skin , lymph nodes , or other organs. Four sub-types are described: classic, endemic, immunosuppression therapy-related, and epidemic. Treatment is based on the sub-type, whether the condition is localized or widespread, and the person's immune function. KS lesions are nodules or blotches that may be red, purple, brown, or black, and are usually papular. They are typically found on the skin, but spread elsewhere is common, especially the mouth, gastrointestinal tract and respiratory tract. Growth can range from very slow to explosively fast, and is associated with significant mortality and morbidity. The lesions are painless, but become cosmetically disfiguring or interruptive to organs.