Atypical P. vivax morphologies found in the sample CAM-190. Slides were prepared by the blood distension technique, stained by the Giemsa method, and visualized at 100× magnification under an optical microscope. (A) multi-infected red blood cell with trophozoites; (B) binucleated trophozoite; (C) band-form gametocyte; (D–F) elongated gametocytes resembling a sausage shape. Bar = 10 μm.