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Some of the possible symptoms of chronic meningitis (due to any cause) include headache, nausea and vomiting, fever, and visual impairment. Nuchal rigidity (or neck stiffness with discomfort in trying to move the neck), a classic symptom in acute meningitis, was seen in only 45% of cases of chronic meningitis with the sign being even more rare in non-infectious causes.
Meningococcal meningitis is a form of bacterial meningitis. Meningitis is a disease caused by inflammation and irritation of the meninges, the membranes surrounding the brain and spinal cord. In meningococcal meningitis this is caused by the bacteria invading the cerebrospinal fluid and circulating through the central nervous system. Sub ...
The fontanelle (the soft spot on the top of a baby's head) can bulge in infants aged up to 6 months. Other features that distinguish meningitis from less severe illnesses in young children are leg pain, cold extremities, and an abnormal skin color. [18] [19] Neck stiffness occurs in 70% of bacterial meningitis in adults. [17]
Meningococcal vaccine refers to any vaccine used to prevent infection by Neisseria meningitidis. [9] Different versions are effective against some or all of the following types of meningococcus: A, B, C, W-135, and Y. [9] [10] The vaccines are between 85 and 100% effective for at least two years. [9]
Cryptococcus (Cryptococcal meningitis) - it is thought to be acquired through inhalation of soil contaminated with bird droppings. C. neoformans is the most common pathogen to cause fungal meningitis. Aspergillus - Aspergillus infections account for 5% of fungal infections involving the central nervous system.
The risk of infection was noted to be increasing with age, especially in people older than 40 years and it was greater in men than women. Most cases were acquired in Bavaria (46%) and Baden-Württemberg (37%), much less in Saxony, Hesse, Lower Saxony and other states.
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Viral meningitis, also known as aseptic meningitis, is a type of meningitis due to a viral infection. It results in inflammation of the meninges (the membranes covering the brain and spinal cord). Symptoms commonly include headache, fever, sensitivity to light and neck stiffness. [1] Viruses are the most common cause of aseptic meningitis.