Prompt
"Generate an image of a microscopic view of Leishmania donovani, a protozoan parasite, in the form of an amastigote or promastigote, with a flagellum and a characteristic kinetoplast, set against a background that represents its hosts, such as human cells or Phlebotomus sandflies, with a style that is scientific and detailed, conveying the parasite's role in causing visceral leishmaniasis and kala-azar."