Fig. 2From: Spatial epidemiology and serologic cohorts increase the early detection of leprosyAnti-PGL-I IgM titres in the first (T1) and in the second (T2) evaluation. All HHC and SC that were evaluated twice (T1 and T2) are included in this analysis. Of 254 people examined, 43 (16.9 %) developed overt disease, and 211 did not by the 2-year follow-up. The most important increase in the IgM titres was observed in the group that developed the diseaseBack to article page