List FOUR complications of Blood transfusion.

Blood complications is given bellow

1. Early Complications:
   Hemolytic reactions (immediate and delayed)
   Allergic reactions to proteins, IgA
   Transfusion-related acute lung injury
   Air embolism
2. Late complications:
   Transmission of infection (hepatitis A, B, C, HIV, CMV)
   Iron overload
   Immune sensitization