| Altered cerebrospinal fluid (CSF) cell count (usually less than 500/mm) with Polumorpho-nuclear cells seen early in disease and mononuclear cells are seen during late infection. |
| Altered CSF protein levels: Less than 40 mg/dl (normal) to 300 mg/dl |
| Normal CSF glucose |
| Non-specific ECG changes |
| Highly elevated serum creatinine phosphokinase (CK) and MB variant |
| Elevated erythrocyte sedimentation rate (60 mm) |
| Normal or reduced serum potassium |
| Elevated serum bilirubin levels |
| Elevated serum glutamic oxaloacetic transaminase, serum glutamic pyruvic transaminase and alkaline phosphatase |
| Possible elevated serum amylase |
| Low to normal erythrocyte count and hemoglobin |
| Thrombocytopenia |
| Possible elevated prothrombin times |
| Leukocytosis with increased neutrophils |
| Elevated creatinine phosphokinase and blood urea nitrogen: Less than 100 mg/dL (typically) to above 300mg/dl (rarely) |
| Patchy alveolar pattern in the peripheral portions of the lower lung lobes due to alveolar hemorrhage |
| Azotemia and oliguria/anuria typically during the second week of illness |
| Proteinuria |
| Hyaline or granular casts |
| Hematuria |
| Pyuria |
