NCIt definition : A species of facultatively anaerobic, Gram negative, rod shaped bacteria assigned
to the phylum Proteobacteria. This species is oxidase negative, and ferments glucose,
mannitol, and arabinose. H. alvei is found in water, soil and foods, is part of the
gastrointestinal flora and is rarely pathogenic owing to the expression of few virulence
factors.;
Alternative definition : CDISC: Any bacterial organism that can be assigned to the species Hafnia alvei.;