Communicable bacterial lung infections affect hundreds of millions of individuals, with respiratory infections being the leading cause of death in developing countries accounting for greater than 4 million deaths per year. 1 Common bacterial infections and diseases include pneumonia, tuberculosis and pertussis; however, patients with compromised lung immunity, such as individuals with cystic fibrosis (CF), chronic obstructive pulmonary disease (COPD), bronchopulmonary dysplasia (BPD) and lung transplant recipients, are particularly