TABLE 7.

Distribution of 235 selected sera (panel 2) based on the results obtained using the Architect assay and corresponding to different critical serological status

Panel	Serological status	Result with Architect and confirmatory techniques	No. of sera
2.1	Equivocal IgG titers (0.6–3.4 IU/ml)	No IgM	92
2.2	Serological reactivation	High IgG titers of >200 IU/ml	20
2.3	Seroconversion, acute toxoplasmosis	IgG of ≤1.5 IU/ml	17
		IgG of >1.5 IU/ml	33
2.4	False-positive IgM	IgM between 0.35 and 0.59 AU/ml	10
		IgM between 0.60 and 3.96 AU/ml	23
2.5	False-positive IgG	Negative IgGII Western blot	11
2.6	Crossing reactions with CMV, EBV, HIV, RF	Negative serology	29