CD40LG and toxoplasmosis: In this study, we sought to evaluate diagnostic accuracy for 3 Toxoplasma-IgG-IgM POC kits using a large number of sera from US patients previously tested by reference methods available at Palo Alto Medical Foundation, Toxoplasma Serology Laboratory ([PAMF-TSL] http://www.pamf.org/serology/), the reference laboratory for study and diagnosis of toxoplasmosis in the United States.