“…1 Gram-negative organisms with a propensity to cause necrotizing vasculitis like Citrobacter species, Proteus species, Pseudomonas species, and Serratia species are more commonly associated with brain abscesses with only 2 case reports of Klebsiella pneumoniae brain abscess published until now. 3,4 This is despite the fact that Klebsiella pneumoniae is the most common organism causing neonatal sepsis in developing countries. 5,6 In one of the largest series of 30 neonates with brain abscess in a tertiary center, no case was attributed to Klebsiella species.…”