Medicine All are impoant pathogens causing pneumonia in COPD patients, EXCEPT: A Haemophilus influenzae B Pseudomonas aeruginosa C Legionella spp D Klebsiella pneumoniae 💡 Explanation All are impoant pathogens causing pneumonia in COPD patients, EXCEPT: ✓ Correct Answer: D. Klebsiella pneumoniae