Variable Range (mean) TLCs 3200-29200 cells/mm3 (11300) CSF Cells Protein Sugar Gram stain Latex agglutination Bacterial culture and sensitivity   0-1400 cell/mm3 (50.6) 45-2200 mg/dL (89.7 mg/dL) 10-57 mg/dL (34 mg/dL) Negative Negative Negative Viral studies by PCR CSF HSV EBV Enterovirus Measles Pharyngeal and nasopharyngeal swabs Enterovirus Mycoplasma EBV Influenza H1N1   2 1 0 0 0 2 0 1 Viral studies by ELISA Stool Rota virus Blood Mycoplasma EBV RSV Entero virus Mumps Measles   0 1 0 0 0 0 0

Table 2: Initial laboratory studies in 21 patients with ADEM.