Gram-negative bacilli. Formerly classified as Flavobacterium.
The most pathogenic in this group is Chryseobacterium meningosepticum, was reclassified to the genus Elizabethkingia.
C. indologenes although ubiquitous in nature, mainly found in soil and water, is an uncommon human pathogen, but the number of reported cases is increasing.
It can cause serious infections, particularly among the immunocompromised. Most often hospital acquired, associated with immunosuppression or indwelling catheters.