Volume 10, Number 3—March 2004
Dispatch
Q Fever Endocarditis in HIV-Infected Patient
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).](/eid/images/03-0971-F1.jpg)
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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