RT Book, Section A1 Wolff, Klaus A1 Johnson, Richard Allen A1 Saavedra, Arturo P. A1 Roh, Ellen K. SR Print(0) ID 1140787501 T1 SYSTEMIC PARASITIC INFECTIONS T2 Fitzpatrick's Color Atlas and Synopsis of Clinical Dermatology, 8e YR 2017 FD 2017 PB McGraw-Hill Education PP New York, NY SN 9781259642197 LK accessemergencymedicine.mhmedical.com/content.aspx?aid=1140787501 RD 2024/10/12 AB Etiology. Many species of obligate intracellular protozoa Leishmania; predominant species are: New World: Leishmania mexicana complex, Viannia subgenus.Old World: L. tropica, L. major, and L. aethiopica.Vector. Sandflies. Old World: Phlebotomus. New World: Lutzomyia.Pathogenesis. Infection of macrophages in skin, naso-oropharyngeal mucosa, and the reticuloendothelial system (viscera). Diversity of clinical syndromes resulting from a particular parasite, vector, and host species.