Symptoms depend on where the infection is found.

• Brain lesions can result in seizures or symptoms similar to a brain tumor.
• Eye lesions can cause decreased vision or blindness.
• Heart lesions can lead to abnormal rhythms or heart failure (rare).
• Spine lesions can lead to changes in walking or weakness.

• Antibody test (may be positive)
• Tests to identify lesions:
  • X-rays
  • CT scans
  • MRI
• Biopsy of the affective area (may show lesions)