a) Know to recognize the main imported and emerging infectious diseases caused by parasites, fungi, bacteria, Mycobacteria and viruses, and procedures for diagnosis etiologico.b) know recognize the differential characteristics clínico-epidemiológicas and diagnostic of the major emerging diseases and be able to identify the most characteristic clinical syndromes. ((c) learn about the main health problems affecting populations immigrants and viajeros.d) Know to guide the diagnosis and treatment of main infectious diseases emerging and imported.