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Viral meningitis is a type of meningitis due to a viral infection. It results in inflammation of the meninges . Symptoms commonly include headache, fever, sensitivity to light, and neck stiffness. Viruses are the most common cause of aseptic meningitis. Most cases of viral meningitis are caused by enteroviruses . However, other viruses can also cause viral meningitis. For instance, West Nile virus, mumps, measles, herpes simplex types I and II, varicella, and lymphocytic choriomeningitis virus. Based on clinical symptoms, viral meningitis cannot be reliably differentiated from bacterial meningitis, although viral meningitis typically follows a more benign clinical course. Viral meningitis has no evidence of bacteria present in cerebral spinal fluid . Therefore, lumbar puncture with CSF analysis is often needed to identify the disease. In most causes there is no specific treatment, with efforts generally aimed at relieving symptoms . A few viral causes, such as HSV, have specific ...

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00:01:51: Signs and symptoms
00:02:42: Causes
00:03:03: Diagnosis
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