Isolation of a urease positive thermophilic variant of Campylobacter lari from a patient with urinary tract infection.

An unusual campylobacter strain, a urease positive thermophilic variant of Campylobacter lari, was isolated from the urine of a patient with urinary tract infection who was hospitalized because of cirrhosis and haemorrhage. The strain was isolated from urine specimens on three separate occasions. A significant serological response to the organism was also detected. This is the first documented case of extra-intestinal infection due to this group of organisms.