<prompt> Rejection of allografts are complex process primarily involving -Immune complex depositionVascular blockageCell-mediated immunity and circulationg antibodiesInfection  <response>: The allograft rejection involves a first set and second set response. The first set response is brought about almost exclusively by T lymphocytes cell-mediated. Humoral antibodies are also produced during allograft rejection. Reference:athanarayan panikers 9th edition, pg no: 184 p 