A 24-year-old woman with a history of AIDS came to the clinic for evaluation of left-sided weakness. She experienced headaches and seizures, and others observed an alteration in her mental status. The patient’s medical history was notable for pneumonia, primary syphilis treated 5-years-ago, occasional thrush. Lab Data CD4 cell count 50 x 109/L Toxoplasma gondii IgG Positive, 1:4 Toxoplasma gondii IgM Negative CMV IgG Positive, 1:2 CMV IgM Negative Rubella, Total Negative Anti-VCA IgM Positive, 1:1056 Anti-EA-D IgG Positive, 1:814 Liver enzymes Elevated Hertophile AB Positive HBsAg Negative HBsAb Positive HBcAb Negative HCV Negative HAV IgM Negative HAV IgG Positive Which assay is most important to this patient’s current diagnosis? Group of answer choices Anti-EA-D IgG HBsAb Hertophile AB Toxoplasma gondii IgG