LYCOS RETRIEVER 
Meningitis: Vomiting
built 633 days ago
While it's the meninges that are inflamed in meningitis, the infection actually occurs in the spinal fluid between the pia mater and the arachnoid membrane. Bacterial meningitis... known as spinal meningitis, is the most serious form of meningitis, and can be fatal. It is also communicable.
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Bacterial meningitis was uniformly fatal before the antimicrobial era. With the advent of antimicrobial therapy, the overall mortality rate from bacterial meningitis has decreased but remains alarmingly high. It is reported to be approximately 25%. Among the common causes of acute bacterial meningitis, the highest mortality rate is observed with pneumococcus. The reported mortality rates for each specific organism are 19-26% for S pneumoniae meningitis, 3-6% for H influenzae meningitis, 3-13% for N meningitidis meningitis, and 15-29% for L monocytogenes meningitis.
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There are many different bacteria and viruses that can cause meningitis. In most instances, it is more common for these viruses or bacteria to cause some other illness, such as an ear infection, pneumonia or other illness. It is not known why one individual develops meningitis when others exposed to the same virus or bacteria don't get as sick, or don't get sick at all.
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A cantonensis, the rat lungworm, can cause eosinophilic meningitis (pleocytosis with >10% eosinophils) in humans. The parasite is common in Southeast Asia and the Pacific Islands. It has ... been found in rats outside this region, particularly in regions of Africa, Puerto Rico, and Louisiana, presumably introduced by ship-borne rats from endemic areas. The adult parasite resides in the lungs of rats. Its eggs hatch and the larval stages are expelled in the feces. The larvae develop in the intermediate host, usually land snails, freshwater prawns, and crabs.
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Usually viral meningitis starts suddenly. Babies may have a more gradual illness - refusal to eat, sleepier than usual, and fussy. Babies younger than 18 months may develop a rigid or tender back and extreme fussiness that cannot be consoled. Bulging fontanelle (soft spot) occurs less in viral meningitis and, if it does, is usually a late sign.
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NEW YORK -- The Trovan study in Kano, Nigeria was an important clinical investigation, and Pfizer is proud of the way the study was conducted, in the midst of a deadly meningococcal meningitis epidemic in Nigeria. The study was well conceived, well executed and saved lives.
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