Infection with bacteria due to a blood transfusion is an extremely rare complication with redcelltransfusions, in the order of one per million transfusions.
输注红细胞引起细菌感染是极罕见的输血并发症，数量级为每百万次输血发生一例。
2
Redbloodcelltransfusions are frequently given, but their impact on re bleeding rates and mortality is unknown.