that's the e in pepfar.rter: south africa, ground zero for the hiv/aids epidemic funds 70% of its work to combat the disease. dr. dave clark says he has never seen pepfar dollars misused. >> it would be clearly wrong to say that these funds are being used illicitly for abortion type of work. the money is being deployed where it needs to be deployed, in dealing with the hiv epidemic and getting it under control. >> reporter: as coo of a leading health organization in the battle against the disease, clark says one year reauthorization of the program will lead to deadly consequences. >> so the decision to move on a year by year basis drives uncertainty and a bit like any stock market, uncertainty drives risk and risk -- the risk, were it to continue, will we have support, won't we have support, the control we have will break down again and fail rapidly and we'll see people then, the infection rates and the incidents of the disease climb again. so, it is not time to stop. >> reporter: the only hope for the bipar

it has given us a platform of laboratory capacity that is important, so folks may know that pepfar was hoping for a five-year reauthorization and i think it is critical and allows us to continue health security work into the future. it is important for the scientific and security work but scientific diplomacy is incredibly important for us. the most cost-effective way for us to protect the u.s. is to stop outbreaks at the source. we are doing this now in rwanda, you may have read in the news they had been out for -- an outbreak of marburg in their capital, in their flagship hospital will stop when we got the call, my blood pressure went up. it wasn't a remote village. it was in their flagship hospital but i will say, incredible work done on the ground but we were working side-by-side with them. we deployed experts who responded to ebola outbreaks before. the united states donated vaccines and treatment and we got the treatment into folks within six days, vaccine in nine days and it was an incredible speed of effort. we were luckily able to start to see that he turn and you haven't hear