| pseudomonas cepacia at summer camps for persons with cystic fibrosis. | pseudomonas cepacia (pc) is a multidrug-resistant, gram-negative bacillus that causes chronic colonization and infection of the respiratory tract of persons with cystic fibrosis (cf). pc colonization is usually difficult to eradicate with antimicrobial therapy and, in some patients, infection is associated with rapid decline in pulmonary function, increased hospitalization, and earlier death. previous studies have suggested person-to-person transmission of pc both within and outside of hospitals ... | 1993 | 7684813 |