INFECTIONS IN IMMUNOCOMPROMISED PATIENTS: 1) Learn about epidemiology, microbial etiology and pathogenic mechanisms of infections in immunocompromised patients. 2) Know the main infections in immunocompromised patients hematological characteristics, including neutropenicos. 3) Main characteristics of infections in transplant patients (solid organ and hematopoietic progenitors). 4) Learn about the main features of infections in patients with tumors solidos. 5) Know to orientate the diagnosis, treatment and prevention of main infectious syndromes in immunocompromised patients.