Rejection that occurs within hours after the transplantation and results in immediate graft failure is known as

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Hyperacute rejection is a humoral-mediated response,which occurs within hours after transplantation and results in immediate graft failure.Acute rejection tends to occur weeks to months after transplantation but can occur at any time.Chronic rejection occurs at varying times after transplantation and progresses for years until it leads to ultimate failure of the transplanted organ.

Rejection That Occurs Within Hours After the Transplantation and Results