"Human Pathology"

Normal flora of respiratory tract. Beta-lactamase positive. Also known by the name Branhamella catarrhalis

This organism is normal flora of human intestine and may be pathogenic in humans. This organism will grow in Sodium chloride solution.

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This organism can be isolated from many human urinary tract infections, as well as polluted water and sewage. It is commonly identified by its distinctive grape-like smell (trimethylamine) or because it can turn the agar light green due to production of a blue pigment (pyocyanin).