If you can get a reasonably high percentage then this might not be a problem. Include something in the crisper treatment that acts as a marker that protects the

If you can get a reasonably high percentage then this might not be a problem. Include something in the crisper treatment that acts as a marker that protects the cells to which the treatment is successfully delivered. Then kill everything without the marker. I don't know what fraction of of your CD4 cells you need to maintain a healthy immune system, but I imagine even a double digit percentage reduction is probably tolerable, especially if the reduction is only temporary.