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Recombinant LigA/BCon1-5 antigen-based latex agglutination test (LAT) for detection of anti-leptospiral antibodies in human sera. (A): Negative sera showing homogenous suspension (B): Human sera which showed seroconversion (0 to ≥100) giving a LAT score of 1+ve, (C): Human sera which showed a four-fold rise in the MAT titre (≥50 to ≥200) giving a LAT score of 2+ve, (D): Human sera which showed a positive reaction in the single acute MAT (MAT titre ≥ 400) giving a LAT score of 3+ve.
