Table 2.

Antimicrobial susceptibility of N. meningitidis isolated in South Korea from 2010 to 2016 (n = 25).

Antibiotics	Distribution of MIC (µg/mL)			Antimicrobial susceptibility (%)
	Range	MIC50	MIC90	Susceptible	Intermediate	Resistant
Penicillin	0.006–0.38	0.125	0.38	22	56	22
Ampicillin	0.016–0.75	0.25	0.75	30	70	0
Ceftriaxone	≤0.002–0.004	≤0.002	0.003	100	0	0
Meropenem	0.002–0.064	0.023	0.047	100	0	0
Ciprofloxacin	0.002–0.006	0.003	0.004	100	0	0
Minocycline	0.047–0.38	0.19	0.25	100	0	0
Rifampin	0.003–0.125	0.012	0.023	100	0	0