Taxonomy
Family: Fusobacteriaceae
Natural habitats
Normal commensals of the human oropharynx, gastrointestinale tract, and female genital tract.
Clinical significance
Infection caused by Fusobacterium varium is vary rare.
The organism has been isolated mostly from intra abdominal infections
Large Gram negative rods,
with round ends
Obligate anaerobic
BBAØ: after 2 days of incubation, on BBAØ, colonies 1 to 2 mm in diameter, nonhemolytic, semi translucent, umbonate, with erose edges.
Lipase positive strains are often β-hemolytic
BBEØ: no growth
Fluorescentie/Woodslamp chartreuse / yellow-green
James Versalovic et al.(2011) Manual of Clinical Microbiology 10th Edition
Karen C. Carrol et al (2019) Manual of Clinical Microbiology, 12th Edition