Bartonella spp. are Gram-negative bacteria and are facultative intracellular parasites. Three species of the genus Bartonella are known to be important causes of human disease, although other species are increasingly being recognised as important. Bartonella are associated with an increasing range of diseases.1 The range of infection varies from mild lymphadenopathy seen in cat scratch disease to life-threatening systemic disease in immunocompromised patients.
This is a companion discussion topic for the original article at https://patient.info/doctor/infectious-disease/bartonellosis