Table 1. Minimal inhibitory concentration (MIC) of avermectins compared with rifampicin.

	MIC (μg/ml) 1
	M. ulcerans JKD8049	M. ulcerans 1117–13	M. marinum M
Ivermectin	8	4	32
Moxidectin	4	nt 2	>64
Rifampicin	0.1	0.1	0.1

¹Minimum concentration to prevent MGIT fluorescence at 21 days;

² not tested