Figure 1

A; Bone marrow smear stained with Giemsa (magnification x 100). The picture shows a macrophage with phagocytosis of a neutrophil. On the right side an intra-erythrocytic ring of Babesia microti can be observed in a red blood cell (arrow). B; Blood smear stained with Giemsa (magnification x 100) showing intra-erythrocytic forms of Babesia microti.