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Nine herpesvirus types are known to primarily infect humans, [7] at least five of which are extremely widespread among most human populations, and which cause common diseases: herpes simplex 1 and 2 (HSV-1 and HSV-2, also known as HHV-1 and HHV-2; both of which can cause orolabial and genital herpes), varicella zoster (or HHV-3; the cause of ...
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.
Herpes simplex viruses can affect areas of skin exposed to contact with an infected person. An example of this is herpetic whitlow , which is a herpes infection on the fingers; it was commonly found on dental surgeon 's hands before the routine use of gloves when treating patients.
The first word should be derived from the taxon (family or subfamily) to which its primary natural host belongs. The subfamily name is used for viruses from members of the family Bovidae or from primates (the virus name ending in –ine, e.g. bovine), and the host family name for other viruses (ending in –id, e.g. equid).
Two-thirds of the world's population under 50 have the highly infectious herpes virus that causes cold sores around the mouth, the World Health Organization said on Wednesday, in its first ...
Genital herpes can be spread by viral shedding prior to and following the formation of ulcers. The risk of spread between a couple is about 7.5% over a year (for unprotected sex). [ 6 ] The likelihood of transferring genital herpes from one person to another is decreased by external condom use by 50%, by internal condom by 50%, and refraining ...