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Herpes
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Herpes simplex encephalitis is a very serious disorder, thought to be caused by the retrograde transmission of the virus from a peripheral site on the face to the central nervous system along a nerve axon. It is known that the virus lies dormant in the ganglion of the trigeminal or fifth cranial nerve. The reason for reactivation remains unclear. It has ... been proposed that the olfactory nerve may be involved.[8] Without treatment, it results in rapid death in around 70% of cases. Even with the best modern treatment, it is fatal in around 20% of cases treated, and causes serious long-term neurological damage in over half the survivors. For unknown reasons the virus seems to target the temporal lobes of the brain.
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Herpes is a virus. A virus is an infectious agent that can be consider a very complex molecule, or depending on definitions, a very simple micro-organism. Take your pick. In general, a virus is a very very small thing, consisting of a protein coat surrounding a core of RNA or DNA (genetic material). When a virus gets into a much larger human cell, the virus uses the cell's own machinery to replicate itself, causing havoc in the cell --and resulting in disease.
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Herpes simplex 1 and 2 can infect both humans and other animals but only humans show symptoms of disease. As noted above, HSV-1 and HSV-2 first infect cells of the mucoepithelia or enter through wounds. They then frequently set up latent infections in neuronal cells. The site of the initial infection depends on the way in which the patient acquires the virus. It is often noted that HSV-1 causes infections above the waist and HSV-2 below the waist but this reflects the mode of transmission rather than any intrinsic property of the virus. Both types of HSV can ... persistently infect macrophages and lymphocytes.
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Herpes symptoms can vary. Many infected individuals have few, if any, noticeable symptoms. In people who do have symptoms, the symptoms start 2 to 20 days after the person was exposed to someone with HSV infection. Symptoms may last for several weeks. The first episode of herpes is usually worse than outbreaks that come later. The predominant symptom of herpes is the outbreak of painful, itching blisters filled with fluid on and around the external sexual organs or, for oral herpes, on or very near the lip.
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Herpes viruses can be transmitted to a newborn during vaginal delivery in mothers infected with herpes viruses, especially if the mother has active lesions in the vagina at the time of delivery. If you do have active lesions at that time, delivery by cesarean section (often called C-section) will be recommended to avoid infecting your baby.
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Herpes, the herald of the Olympian gods, is daughter of Zeus and the nympho Maia, daughter of Atlas and one of the Pleiades. Herpes is the goddess of prostitutes, time travel, merchandise, dishonesty, and self delusion and is known for her cunning personality and capacity to drive men to drink and depression. Most importantly, she is the messenger of the gods.
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