The true incidence of<unk>  is unknown because of the difficulty in making the diagnosis and because of underreporting. It is estimated to occur in 1:1300 to 1:5000 transfusions of plasma-containing products.<unk>  is the leading reported cause of death related to transfusion in the United States; more than 20 cases were reported per year from 2003 to 2005. The immune mediated form of<unk>  occurs approximately once every 5000 transfusions and has a mortality of 6–9%.
Transfusion-related acute lung injury
Transfusion associated circulatory overload
Culture-bound syndrome
Macrophage activation syndrome
Transfusion-related immunomodulation
Systemic inflammatory response syndrome
Transfusion transmitted infection
Transfusion-associated graft-versus-host disease