pneumonia (CAP), including aspiration pneumonia, and a greater incidence of pulmonary tuberculosis compared with the general population. This relates to smoking, alcohol abuse, poor nutrition and homelessness. Organisms commonly causing CAP in this group include Streptococcus pneumoniae, S aureus, Haemophilus influenzae and Klebsiella pneumoniae.11,12 Septic pulmonary emboli can seed from injec...
