case_images: PMC9205736_01
case_images: Peripheral blood smear reveals morulae (arrow) in the cytoplasm of a white blood cell.
case_images: CRIT2022-3062836.001.jpg
case_images: PMC9205736_01_CRIT2022-3062836.001.jpg
case_images: fig1
case_images: Peripheral blood smear was consistent with ehrlichiosis (Figure 1), despite Ehrlichia IgM/IgG being negative upon initial infectious workup, likely a false negative result secondary to immunosuppression.