Is Chryseobacterium indologenes a shunt-lover bacterium? A case report and review of the literature.

Chryseobacterium genus was first described by Vandamme et al. in 1994 [1]. A study of SENTRY Antimicrobial Surveillance Program reported that Chryseobacterium species were only 0.03% of all isolated bacteria and 0.27% of non-fermentative bacteria collected during the five-year period from 1997 to 2001 [2]. Chryseobacterium infections are observed most frequently in the elderly (>65-year-old) however it is relatively rare (the lowest frequency) among children of five-year-old [2]. More commonly isolated Chryseobacterium species are C. meningosepticum, C. odoratum, C. multivorum, C. breve and group IIb Chryseobacterium species including C. indologenes and C. gleum [3, 4]. The most common species that causes human disease is C. meningosepticum followed by C. indologenes [4]. There are a few reported cases of C. indologenes infections in pediatric age group. These case reports are presented in Table 1 [5-12]. Chryseobacterium indologenes is a non-fermentative, oxidase positive, Gram-negative rod shaped bacterium. It is widely found in nature; soil and water but rarely causes infections in human [3]. It is an uncommon human Casi clinici