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Bacterial Meningitis

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Tuberculous meningitis (cont.)<br />

PREVENTION:<br />

• BCG vaccine (given at birth)<br />

• PPD (Purified Protein Derivative) Tuberculin test determines if<br />

someone has developed an immune response to M.<br />

tuberculosis<br />

• 0.1mL injected immediately under the surface of the skin of<br />

the forearm<br />

• Test should be read between 48 and 72 hours after the<br />

injection for induration (hardness)<br />

• Classified as positive based on the diameter of the<br />

induration

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