The performance of Toxoplasma rGra8, rMic1, and the chimeric rGra4-Gra7 antigens for early congenital toxoplasmosis (CT) diagnosis was evaluated. Sera from CT patients showed high IgG reactivity to rMic1, rGra8, and rGra4-Gra7. The seroreactivity of samples from uninfected infants was lost within 2 months of age.
Keywords: Congenital infection; Diagnosis; Recombinant antigen; Serology; Toxoplasmosis.
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