What is the prevalence of bartonellosis (Bartonella infection) in the US?

Updated: Jun 19, 2019
  • Author: Kassem A Hammoud, MD; Chief Editor: Pranatharthi Haran Chandrasekar, MBBS, MD  more...
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Catscratch disease caused by B henselae infection occurs in approximately 1 per 10,000 persons.

B quintana is found worldwide and causes febrile outbreaks. Poor sanitation and lack of personal hygiene strongly correlate with transmission by the body louse Pediculus humanus. B quintana is emerging as a recognized cause of disease among homeless persons and persons with AIDS. Trench fever syndrome is found among people with alcoholism and those who are homeless. Persons who are indigent in inner-city Seattle were evaluated for antibodies to B quintana. Approximately 20% of these people had antibody titers of 1:64 or greater; in comparison, this titer was found in only 2% of blood donors. [6]

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