Spanish Bacteriemia Cohort 2016: Epidemiology, Clinical Management and Prognosis Factors

Inclusion Criteria: * Every episode of bacteremia in patients older than 13 years old, confirmed microbiologically and clinically significant (presence of clinical sepsis data at diagnosis) should be prospectively included on the basis of standard criteria. * Episodes of transient bacteremia may be included. * Drugs will be prescribed in the usual way, according to the conditions established in the authorization. The assignment of a patient to a particular therapeutic strategy will not be decided in advance by the study protocol, but will be determined by the usual clinical practice, and the decision to prescribe a particular drug will be clearly dissociated from the decision to include to the patient in the study. Exclusion Criteria: * Bacteremias without clinical relevance