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Bacteriology
Medical Significance of Gram-Negative Cocci and Coccobacilli
The genus Neisseria contains 12 species, two of which, N.meningitidis and N. gonorrhoeae, are commonly pathogenic in humans. Both may cause infections in the CNS, primarily meningitis and meningoencephalitis, but also abscesses, empyemas, and thrombophlebitis.
