Burkholderia cepacia in sputum

* Subjects who have had changes to their treatment regimen for CF in the past 6 weeks

* Subjects can be screened 6 weeks after IV antibiotic completion

* Subjects can be screened 7 days after oral antibiotic completion

* Received an investigational drug within 30 days of study entry

* Received any immune globulin or blood product within 30 days of study entry

* History of hypersensitivity to immune globulin preparations

* Undergoing any type of dialysis or expected to start dialysis within 30 days

* Pregnant or nursing females

* Considered unlikely to comply with the study procedures or to return for scheduled post-treatment evaluations

Aurexis® in Cystic Fibrosis Subjects Chronically Colonized With Staphylococcus Aureus in Their Lungs