▸ Cytomegalovirus▸ Epstein-Barr virus▸ Hepatitis A▸ HBV▸ HCV▸ Hepatitis E virus▸ Syphilis▸ HIV-1 and HIV-2▸Entamoeba histolytica▸ Complete blood cell count with differential▸ C-reactive protein and erythrocyte sedimentation rate▸ Albumin▸ Creatinine and electrolytes▸ Aminotransferases, bilirubin, gamma-glutamyltransferase, alkaline phosphatase. Here, ALB is linked to syphilis.