The sample of choice for testing for meningitis is blood.

This is not entirely accurate. While blood tests can be helpful in diagnosing meningitis, the sample of choice for definitive diagnosis is actually cerebrospinal fluid (CSF) obtained through a lumbar puncture (spinal tap). CSF analysis can provide more specific information about the presence of bacteria, viruses, or other pathogens causing the infection. Blood tests may also be used to check for signs of infection or inflammation, but CSF analysis is typically the most reliable method for diagnosing meningitis.

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