*VP3 (14 kDA) - involved in apoptosis (programmed and controlled cell death with no lysis of the cell. Causes apoptosis of infected stem cells in the bone marrow (BM). Sequential damage to BM inhibits the production of red blood cells (RBC), white blood cells (WBC), lymphoid tissue and platelets | *VP3 (14 kDA) - involved in apoptosis (programmed and controlled cell death with no lysis of the cell. Causes apoptosis of infected stem cells in the bone marrow (BM). Sequential damage to BM inhibits the production of red blood cells (RBC), white blood cells (WBC), lymphoid tissue and platelets |