All patients receiving induction, consolidation and salvage chemotherapy, and autologous or allogeneic stem cell transplantation according to a strategy defined in the GIMEMA AML1310 protocol will be prospectively monitored for SI (bacteremia, invasive mycoses, other microbiologically documented bacterial infections, pneumonia, other invasive tissue infections and viral diseases) during each chemotherapy and transplant and the impact of these infections on survival will be evaluated until 24 months from the diagnosis of AML.