[1] It is a gram-negative, oxidase-positive rod in the alpha-2 subgroup of the class Proteobacteria.

It is motile by means of a single flagellum.

Afipia birgiae is a fastidious bacteria isolated from a hospital water supply in co-culture with amoebae.

It is hypothesized that this group of bacteria are a potential cause of nosocomial infections.

This Nitrobacteraceae article is a stub.