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rSAG1 ELISA results according to the toxoplasmosis immune status of pregnant women. (A) Serum samples; markers correspond to mean ODs ± 2 SD. The dotted lines refer to OD values obtained by the rSAG1 serum-based ELISA for the Platelia kit-positive calibrators (6, 60, and 240 IU). (B) Saliva samples; 0 and 1 refer to nonimmune and immune toxoplasmosis status, respectively.
