Figure 9: Phase contrast and fluorescent microscopy of Cryptobia salmositica after exposure to isometamidium chloride. (a): Exposure to drug only, note accumulation of drug (in red) in the kinetoplast; (b): exposure to drug conjugated to polyclonal antibodies from a recovered fish, note that the drug (in red) is throughout the organism (reproduced from Ardelli and Woo [59]).