sierra leone, we have long way to go, and unfortunately, we lost a 12th doctor over there, victor weath weatherby, died this week, and the medication was on the way to get to him. but it never made it. so the u.n. ambassador was there. he visited the area, we're sending a lot of troops and medications and drugs. this is not the end of it, but i'm hopeful in 2015 the vaccine is going to kick in. we have learned a lot. there are a lot of investment by health care in our country that has gone into this, and it has panned out and we haven't seen any cases. that's good news. >> when you talk about the vaccine kicking in, do you mean the vaccine developed and ready to deliver? >> in the next few months, we'll see vaccines in the pipeline that will come in and hopefully we'll get it to go there. i don't think it's the end of the epidemic of this disease in africa. we may see it in the future. we have learned a lot. >> you have put your hats off and commend the health workers who have basically sacrificed their lives. such a high percentage of health workers, doctors, and others, who have succumbed to eb