Table 1.

Common organisms associated with pleural infection [24, 25]

Community-acquired	Hospital-acquired
Streptococci	Staphylococcus
▪ S. viridans (including S. anginosus) ▪ S. pneumoniae Staphylococcus aureus ▪ Methicillin-sensitive Gram-negative species ▪ Enterobacteriaceae (including Klebsiella) ▪ Pseudomonas	▪ Methicillin-resistant Gram-negative species ▪ Enterobacteriaceae (including Klebsiella) ▪ Pseudomonas Streptococci ▪ S. viridans Enterococci