Aetiology of Adult Community‐Acquired Lung Abscess in Hong Kong

Anaerobes and aerobic streptococci appear to be the major pathogens for primary CALA. Secondary lung abscess caused by haematogenous spread is commonly attributable to Staphylococcus aureus or Klebsiella pneumoniae . Choice of empiric antibiotics should take these into consideration together with local patterns of antibiotic resistance.