Mnemonic used to remember some encapsulated pathogens is: 'Even Some Super Killers Have Pretty Nice Big Capsules' Escherichia coli, Streptococcus pneumoniae, Salmonella, Klebsiella pneumoniae, Haemophilus influenzae, Pseudomonas aeruginosa, Neisseria meningitidis, Bacteroides fragilis, and the yeast Cryptococcus neoformans.