Fig. 1From: Development of an LPS-based ELISA for diagnosis of Yersinia enterocolitica O:3 infections in Danish patients: a follow-up studySerum antibody response to Y. enterocolitica O:3 infection in patients. a IgA; (b) IgG; (c) IgM, as well as agglutination titres (d). Each line represents a single patient. The dashed grey line indicates the cut-off values for each of the three classes of antibodiesBack to article page