Infants diagnosed with herpes simplex virus infection limited to skin, eyes, and mouth; HSV-1 or HSV-2 isolated from cutaneous lesions, conjunctivae, or oropharynx (presence of skin lesions not required); normal CSF indices: WBC less than 22/mm3 and protein less than 115 mg/dL for term infants OR WBC less than 25/mm3 and protein less than 220 mg/dL for preterm infants; no evidence of CNS involvement by CT with contrast, MRI with gadolinium, or head ultrasound; no visceral dissemination (normal liver function tests, normal chest x-ray, etc.); negative CSF PCR result