Very Low Frequence of Pneumocystis carinii DNA Detection by PCR in Specimens from Patients with Lung Damage

Data reported by Dr. Sing et al. ([3][1]) about Pneumocystis carinii carriage in immunocompetent adults with primary pulmonary disorders differ partially from our results. We have analyzed 81 bronchoalveolar lavage fluid samples (BALs) from 78 patients (37 male and 41 female; mean age, 57.8 years;