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Viral meningitis is more common than the bacterial form, but generally less serious although it can be very debilitating. It can be caused by many different viruses. Some are spread between people by coughing or sneezing, or through poor hygiene (e.g not washing your hands after going to the toilet). Others can be found in sewage-polluted water. The incubation period can be up to three weeks. In mild cases of viral meningitis, people may not even go to their doctor.
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Viral meningitis is relatively common and far less serious than bacterial meningitis. It often remains undiagnosed because its symptoms are similar to those of the common flu. The frequency of viral meningitis increases slightly in the summer and fall months because people are more often exposed to common viral agents during those seasons. Most cases of viral meningitis are associated with enteroviruses - viruses that typically cause stomach "flu." However, many other types of viruses, such as the herpes virus, can ... cause meningitis. The mumps virus was once a common cause of viral meningitis, but it is now rare due to the routine use of the measles, mumps, and rubella (MMR) vaccine.
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Viral infections commonly result in skin lesions and rashes. Typically, a rash occurs, and resolution is seen after the immune system clears the infection. This is a common pattern in children. Some viruses lie dormant in the host's cells and reactivate at a later time, sometimes years later. Another pattern is a chronic infection. Viruses can infect the skin by direct inoculation, by local spread, or by systemic infection.
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Viral conjunctival infections are thought to be caused by airborne respiratory droplets or direct transfer from one’s fingers to the conjunctival surface of the eyelids. After an incubation period of five to 12 days, the disease enters the acute phase, causing watery discharge, conjunctival hyperemia and follicle formation. Lymphoid follicles are elevated, with avascular lesions ranging from 0.2 to 2mm in size. They have lymphoid germinal centers that have responded to an infectious agent.
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Viral meningitis is an infection of the meninges (a thin lining covering the brain and spinal cord) by any one of a number of different viruses. It is a fairly common disease; 500-700 cases are reported each year in New York State. Almost all of the cases occur as single, isolated events. Outbreaks are rare.
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/PRNewswire-FirstCall/ -- Viral Genetics, Inc. (VRAL - news) will present at the NYSSA 10th Annual Biotech and Specialty Pharmaceutical Conference on December 12, 2006 at 2:20PM. The conference is taking place at the NYSSA offices in midtown New York.
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