From: Evaluating decontamination protocols for the isolation of Mycobacterium ulcerans from swabs
Decontamination protocols | No. of tubes with M. ulcerans growth per protocola | Recovery rate (%) (p-value) | No. of tubes with contaminationa | Contamination rate (%) (p-value) |
---|---|---|---|---|
0.5% PI | 0 | 0 (0.00) | 0 | 0 (0.00) |
1% PIb | 0 | 0 (0.00) | 0 | 0 (0.00) |
1% CP/2% NaCl | 33 | 47 (0.00) | 15 | 21 (0.00) |
2% CPC/4% NaCl | 37 | 5 3(0.76) | 10 | 14 (0.00) |
5% Oxalic acid | 31 | 44 (0.07) | 20 | 29 (0.00) |
10% Oxalic acid | 10 | 14 (0.00) | 12 | 17 (0.00) |
0.5% Virkon | 36 | 51 (0.40) | 12 | 17 (0.00) |
1% Virkon | 6 | 0.1 (0.00) | 7 | 10 (0.00) |