>> hi, david grilli. i'm going to follow up on the tb question and while acknowledging that there's a lot more that can be done better for existing programs and treatments, what about -- what is your perspective on new tools, new diagnostics, new drugs, new vaccines, to invest in that for tb for the long haul? >> do we have some other -- >> and i'm sorry, one other thing related to that, will we see hiv-tb coinfection more prominently at the international aids conference, given the fact that there is such an extraordinarily high co-infection rate between tb and hiv-aids. >> thank you. back in the rear? shannon, did you? okay. come back. >> hi, greg smiley from u.n. aids. mill question is about the domestic response. you said of the four priorities, 7 75% of the dollars are going to be, the fourth one was around accountability, viral load, i don't know if that was community oral individual. do those programs target the medical provider, the service provider, the community, maybe you can tell me a little bi