Exposure to pulmonary tuberculosis in a neonatal intensive care unit: unique aspects of contact investigation and management of hospitalized neonates.

Objective: We describe the investigation of a tuberculosis (TB) exposure in which a neonatal intensive care unit (NICU) respiratory therapist was the index patient, as well as the rationale by which exposed infants were managed and possible explanations for the lack of transmission to these patients.

Design: Description of an exposure investigation.

Setting: Academic, level IV NICU of a tertiary care children's hospital.