Detection by ELISA of IgG responses to S. schenckii exoantigens in sera from sporotrichosis patients, from patients with other proven infectious diseases, and from healthy controls. The dashed horizontal line shows the cutoff point. Sp, sporotrichosis; PCM, paracoccidioidomycosis; Cr, cryptococcosis; Asp, aspergillosis; Hp, histoplasmosis; Tb, tuberculosis; Leish, leishmaniasis; NHS, normal healthy sera (controls).