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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Most common cause for meningitis in adults: September 2009
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The correct answer is  Ans. D: Streptococcus pneumoniae Streptococcus pneumoniae is the most common cause of meningitis in adults of age over twenty years, accounting for nearly half of the cases. N. meningitidis accounts for nearly 25% of the cases. Staph.aureus and coagulase negative staphylococci are impoant causes of meningitis that occurs following neurosurgical procedures.