Table 1.

Antimicrobial susceptibility of three new toxigenic Clade C-I strains recovered from human patients with CDI.

Strain	Minimum inhibitory concentration (µg/ml)
	First-line antibiotics for CDI			Antibiotics linked to epidemic potential
	Clindamycin	Vancomicin	Metronidazole	Ciprofloxacin	Moxifloxacilin	Rifampicin
HMX-149	6	1	1	>32 a	0.75	3
HMX-152	3	2	0.5	>32	1	2
HSJD-312	0.5	1	0.25	16	0.75	0.002

^aValues highlighted in bold represent MIC values above the resistance cutoff.