Although lung disease in cystic fibrosis (CF) patients develops with age, bacterial colonization of the airways may occur as early as 1 or 2 months of age.
Common opportunistic pulmonary infections in CF :
References
Conese M, Assael BM. Bacterial infections and inflammation in the lungs of cystic fibrosis patients. Pediatr Infect Dis J. 2001 Feb;20(2):207-13. PMID: #11224844#