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Herpes: Herpes Simplex Virus
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Herpes simplex viruses are common viruses that can cause infections in many parts of the body, including the mouth, skin, eye, brain, and genitals. Some cause disease that is spread throughout the body.
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Herpes tests are done to find the herpes simplex virus (HSV). Results for a rapid viral culture may take 2 to 3 days, while results for a standard culture can take up to 14 days. Antigen detection test results are ready in a day. Polymerase chain reaction (PCR) test results are ready in 1 to 3 days. Results from an antibody blood test are ready in 2 days. The results from an antibody test called an enzyme-linked immunosorbent assay (ELISA, EIA) may be ready in about 2 hours.
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Herpes simplex virus can set up a primary infection in the lips, move to the trigeminal ganglion where it can remain latent. Virus can subsequently reactivate, move to the original site of infection and result in cold sores
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Herpes tests are done to find the herpes simplex virus (HSV). An HSV infection can cause small, painful sores that look like blisters on the skin or the tissue lining (mucous membranes) of the throat, nose, mouth, urethra, rectum, and vagina. A herpes infection may cause only a single outbreak of sores, but in many cases the person will have more outbreaks.
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It is estimated 20-40 percent of the adult population has had a cold sore at some point.(1) Cold sores are caused by the herpes simplex virus (HSV), the most common cause being HSV-1. Commonly referred to as fever blisters, cold sores are ulcers or blisters on the lip. Many people say they feel a "tingle" or "prodrome" before the blisters actually form. Cold sores, like other herpes infections, are most contagious from the first "tingle" until the blister is completely healed. People with cold sores are advised to avoid kissing or contact with the sores and to wash their hands immediately after touching the sore.
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The second type of herpes simplex virus is the usual cause of genital herpes (see Sexually Transmitted Infections). Herpetic infections of the genital area have become increasingly common. Sometimes accompanied by headache and fever, the condition usually begins with a mild itching, followed by the development of clusters of blisters that break and crust to form scabs that eventually dry up. The process may last one to three weeks. In many cases new clusters of blisters appear as others heal. When a baby is born to a woman who has active genital herpes lesions, the infant is at high risk of contracting an often fatal infection, so these infants are often delivered by cesarean section.
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Herpes Simplex Virus