Yes, but the underlying mechanism - the deletion in the CCR5 receptor coding fragment - is a known source of HIV immunity in humans. The bigger problem here is

Yes, but the underlying mechanism - the deletion in the CCR5 receptor coding fragment - is a known source of HIV immunity in humans. The bigger problem here is that bone marrow transplant is by itself more dangerous than an antiretroviral-controlled HIV infection. Not to mention that CCR5 deletions are quite rare.