Toxoplasma gondii Oocyst–specific Antibodies and Source of Infection
Figure. Detection of Toxoplasma gondii in 494 low-income pregnant women from Valdivia Province, Chile. *<15%, indicates acute infection; †15%–30%, indicates possible infection within <6 mo (4 samples from recently infected women were not tested for SSP antibodies); ‡>30%, excludes recent (within 3 mo) infection (9 samples from women with chronic infection were not tested for SSP antibodies). –, negative; +, positive; Ig, immunoglobulin; SSP, sporozoite-specific protein antibodies.