. >> my question is on hiv in subis a harne africa. -- subis a harne africa. my question is what funding the u.s. government and ngo is available for prevention in sub is a harne africa and how much funding would it take to have a preventable, sustainable program for hiv and africa? >> when we put together the original pep far program, 20% of the total amount was in prevention, 55% in therapy, and the rest in care, between 20 and 30% in prevention. what would it take? and that's just the pep far program. there are other components of it for prevention. it really would require access to the modalts of prevention that we know work. and that's the point that i made that is so frustrating. even under the best of circumstances, when you have health africas that don't allow any more than 20% of the population who would clearly benefit from a proven prevention modality don't have access to it, that's a very serious problem right there. so it's the whole issue of what all three or four of us were talking about, about building sustainable health system. because if you