it's a form of the herpes virus and it's contageous.
2007-02-18 08:30:15
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answer #1
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answered by John P 6
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2016-09-02 01:56:26
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answer #2
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answered by ? 3
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Herpes simplex virus 1 and 2 (HSV-1 and HSV-2) are two strains of the Herpes virus family, Herpesviridae, which cause infections in humans. HSV-1 and 2 are also referred to as Human Herpes Virus 1 and 2 (HHV-1 and HHV-2).
After an initial, or primary, infection, HSV establishes latency, during which the virus is present in the cell bodies of nerves which innervate the area of original outbreak. During reactivation, virus is produced in the cell and transported outwardly via the nerve cell's axon to the skin.[1] The ability of Herpes virus to establish latency leads to the chronic nature of Herpes infection; after the initial infection subsides, Herpes symptoms may periodically recur in the form of outbreaks of herpetic sores near the site of original infection.
Herpes infections are marked by painful, watery blisters in the skin or mucous membranes (such as the mouth or lips) or on the genitals. The blisters resemble those seen in Chickenpox -- an infection caused by a third member of the alpha-Herpesviridae subfamily, Varicella Zoster Virus (VZV), also known as Human Herpes Virus 3 (HHV-3). Lesions heal with a crudescent scab, the hallmark of herpetic disease. Herpes is contagious if the carrier is producing and releasing ("shedding") virus. This is particularly likely during an outbreak, although individuals may shed virus between outbreaks. Although no cure is yet available, treatments exist which reduce the likelihood of viral shedding. An infection on the lips is commonly known as a "cold sore" or "fever blister"; not to be confused with a canker sore, which is not caused by the HSV virus.
HSV is generally transmitted by direct contact of lips or genitals when the sores are present, or just before they appear (known as shedding). In addition, herpes may be transmitted during childbirth, which can be fatal to the infant. The immature immune system of the child is unable to defend against the virus and even if treated, infection can result in brain damage. Transmission occurs while passing through the birth canal and the risk of infection is minimal if there are no symptoms or exposed blisters during delivery. The first outbreak after exposure to HSV is commonly more severe than future outbreaks, as the body has not had a chance to produce antibodies; this first outbreak also carries the risk of developing meningitis.
2007-02-18 08:31:05
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answer #3
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answered by Anonymous
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A cold sore is a virus (herpes simplex) and is also contagious if the seepage comes in contact with another person. You can get one from another person or because you have an imbalance in your system that allows the virus to germinate. There are tons of over the counter remedies to make them go away - keep it dry and keep your hands away from it.
2007-02-18 08:32:55
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answer #4
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answered by Decoy Duck 6
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It is pretty much a blister forming on your lips or on the inside of your lips. They sort of form a scab then go away-no big deal. I have gotten them before from drinking/eating too much citrus products. (orange juice, grapefruit, etc.) But that is where you get the Herpes fever. It just means that you should expect a few cold sores coming your way.
2007-02-18 09:46:10
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answer #5
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answered by ~Grace~ 2
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a cold soar are tiny blisters that usually form on the inner corners or sides of your lips. they are highly contagious- you can get them from the herpes virus- or from something way less serious like an weakening of your immune system (most people usually get them when their sick, or just over being sick) or a chemical change in your body.
2007-02-18 11:31:05
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answer #6
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answered by Cd 2
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It is called cold sore. you usually get them when you are stressed out or not at ease. If you have one and need it to go away really fasy try abreeva
2007-02-18 09:20:48
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answer #7
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answered by Savannah H 2
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You get it from eating cole slaw.
2007-02-18 08:31:24
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answer #8
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answered by toontownfanatic 2
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