ATP8A2 and Buruli ulcer disease: Similarly, comparing IL-5 responses (albeit low), contacts of Buruli ulcer patients produced significantly higher IL-5 responses compared with those of patients for ATp (median 31 vs 12 pg/ml), KS C (54 vs 20 pg/ml), Atac1 (57 vs 25 pg/ml), (P < 0.05).