Marka meningitis raacdaa duulaan ee wareegga dhiigga ee noolaha ku nool on dusha mucous sida daloolka sanka. Tan waxaa inta badan waxaa lagu soo jeestay by infekshanada viral, taas oo jebiyo xannibaadda caadiga ah ay bixiyaan dusha mucous. Marka bakteeriyada ay soo galeen wareegga dhiigga, waxay galaan meel subarachnoid ee meelaha uu xannibaadda dhiigga <unk> maskaxda u nugul yahay <unk> sida plexus choroid. meningitis ku dhacdaa 25% ee ilmaha dhasha ah ee cusub ee wareegga dhiigga ay sabab u tahay infekshanada group B; dhacdadan waa ka yar caadi ah ee dadka waaweyn.
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