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Overview of Bartonella Infections

(Bartonellosis)

By

Larry M. Bush

, MD, FACP, Charles E. Schmidt College of Medicine, Florida Atlantic University;


Maria T. Vazquez-Pertejo

, MD, FACP, Wellington Regional Medical Center

Last full review/revision Feb 2020| Content last modified Feb 2020
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Bartonella species are gram-negative bacteria previously classified as Rickettsiae. They are facultative intracellular organisms that typically live within red blood cells (RBCs) and endothelial cells. They cause several uncommon diseases (see table Some Bartonella Infections Some Bartonella Infections Bartonella species are gram-negative bacteria previously classified as Rickettsiae. They are facultative intracellular organisms that typically live within red blood cells (RBCs) and endothelial... read more ):

Risk is higher in immunocompromised hosts.

Bartonella infection (bartonellosis) is usually acquired by humans via an insect vector.

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