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In Burkina Faso, epidemic meningitis A has been eliminated because of the vaccine, and other countries are poised for the same success.

"We have herd immunity ... and we can also show that after introduction in Burkina Faso, we saw the lowest level of epidemic meningitis in 15 years."

By far the greatest number of the subjects of epidemic meningitis are young persons.

The pituitary type is more liable to epidemic meningitis and infantile paralysis, typhoid and scarlet fever.

TYPES.—No disease presents a greater variety—and, indeed, dissimilarity—of symptoms than epidemic meningitis.