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Volume 10, Number 3—March 2004

Dispatch

Q Fever Endocarditis in HIV-Infected Patient

Miguel G. Madariaga*Comments to Author , Joseph Pulvirenti*, Marin Sekosan*, Christopher D. Paddock†, and Sherif R. Zaki†
Author affiliations: *Cook County Hospital, Rush Medical College, Chicago, Illinois, USA; †Centers for Disease Control and Prevention, Atlanta, Georgia, USA

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Figure

Immunohistochemical localization of Coxiella burnetii antigens in the aortic valve of a patient co-infected with HIV. Intact bacteria and fragment antigens are identified predominantly within macrophages in the fibrosed and calcified valve tissue. (Immunoalkaline phosphatase stain with naphthol phosphate fast-red substrate and hematoxylin counterstain, original magnification X100).

Figure. Immunohistochemical localization of Coxiella burnetii antigens in the aortic valve of a patient co-infected with HIV. Intact bacteria and fragment antigens are identified predominantly within macrophages in the fibrosed and calcified valve tissue. (Immunoalkaline phosphatase stain with naphthol phosphate fast-red substrate and hematoxylin counterstain, original magnification X100).

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