Good morning. Im martha raddatz, and as we come on the air today, we have breaking news from texas, the first possible transmission of ebola in america. A Health Care Worker who treated ebola patient Thomas Eric Duncan has now tested positive for the virus. That word coming just hours ago, and its raising so many questions this morning. Abcs tom llamas has the very latest. Good morning, tom. Good morning, martha. We just got new information on this case. Health officials in texas speaking just moments ago and whats most troubling, they say this Health Care Worker was wearing the full protective gear while treating mr. Duncan and still got infected. This morning, Health Officials in texas say theyre very concerned. Overnight, dangerous developments in the fight against ebola. A Health Care Worker at Texas Health Presbyterian hospital testing positive for the deadly virus. If confirmed, this would be the first person infected inside of the u. S. The patients condition is stable. A close contact has also been proactively placed in isolation. Reporter samples taken from the victim have been transferred to the cdc in atlanta for further confirmation. The infected worker cared for Thomas Eric Duncan, the first ebola patient diagnosed in the u. S. Duncan, a liberian, started showing simms on september 25th but was sent home by the hospital. Its still unclear why. He then returned when his condition worsened. Duncan died on wednesday after ten days in treatment. Texas Health Officials released no information on the identity of the patient, but they say the Health Care Worker reported a low grade fever friday night and was then isolated. That Health Care Worker is a heroic person. Reporter in a statement the Texas Health Department commissioner said we knew a second case could be a reality. We are broadening our team in dallas and working with extreme diligence to prevent further spread. This second possible ebola case coming the same weekend that new airport screenings for passengers flying from ebolainfected west african countries began of the enhanced screening including taking passengers temperatures started saturday at jfk airport in new york. No matter how many of these procedures are put into place, we cant get the risk to zero. Reporter and theyre now working to track down anyone who had contact with this Health Care Worker. They are decontaminate iing their apartment, alerting neighbors and testing this persons pet because the person had a pet inside their home and we also know this Health Care Worker is outside of the 48 people being treated so that pool is now growing. Martha. Thanks so much, tom. Now lets bring in abc news radios jim ryan, who is on the scene at the hospital in dallas. He joins us via skype. Jim, i thought they seemed to be saying the same things they had been saying for weeks, which has to rattle people. Well, i think youre right. Theyre issuing the same advisories but the same comfort in a way saying that you cant catch this from being sneezed on. You cant catch this from coming into casual contact with someone. It has to be the bodily fluids of a person showing symptoms of ebola. Thats what was repeated today by the texas county judge, by the Dallas County judge and by the mayor, as well. They do issue those advisories but i can tell you here in dallas people are a little on edge about this feeling that, are you absolutely positive about that, and i think thats why they keep saying that to us. And thats the problem. They keep saying the same things and yet you have this new patient. They themselves even seemed rattled to me in the press conference. I think youre right. I mean, it is early. This is new information to them certainly, but i think there was that sort of sense of unease. Its important to note and as you heard there that this person was wearing the protective gear but was treating duncan on his second visit here when he came in critically ill, not the first time two days earlier when he came in just feeling a little bit sick. When they knew he had the disease at that point. So lets take this to our experts. Our chief medical editor and former acting director of the cdc, dr. Richard besser, who has made two trips to liberia covering the Ebola Outbreak for us and dr. Anthony fauci from the National Institute of allergy and infectious diseases. Let me start with you, dr. Fauci. How could this happen with someone in protective gear . Thats whats so alarming about this. Well, certainly there has to have been an inadvertent innocent breach of the protocol of taking care of a patient within the personal protective equipment. That extremely rarely happens. Weve been taking care of ebola patients since 1976, groups like Doctors Without Borders who do that almost never have an infection because of the experience of doing this, so this happened certainly because there was and the cdc is trying to find out now just what that breach was, but this was a breach in protocol, unfortunate for this very courageous Health Care Worker. And do you know anything about this Health Care Worker, what the job was . We know that the person did have direct contact in taking care of the patient. Was it a nurse . Was it im not sure. Im hearing its a nurse, but i dont have direct okay, you talk about it being inadvertent. Dr. Besser, can we even trust that it was an inadvertent problem . I mean, do is it that fragile, these suits, this protective gear, could something have broken . But what concerns me having suited up and gone into an ebola ward in africa is that its not something that Health Care Workers in the United States normally go through. I was suited up by two people who have specialized training in that, who helped me get in the suit but also coming out they decontaminated me in a specialized way. The comments from cdc early on that this could be done in any hospital that is used to doing isolation just doesnt wring true to me. Groups like Doctors Without Borders, they have incredible training in this and they practice it and its the practicing that ensures that you dont have a slipup. For our first patient in america to lead already to a Health Care Worker getting sick really raises concern to me about treating these in regular hospitals. So should the cdc make changes . Is this enough . They if something can happen like this, it doesnt seem like it is enough. What the cdc is right now doing, first theyre going to be reviewing this particular incident to find out, try and find out exactly how it happened but then to fortify, as rich says, the protocol exactly what you need to do to make sure people are doing it precisely according to the protocol because we do know that when you do follow that protocol, it works. Let me talk about public trust, and thats what i was trying to get at with jim, as well. Weve heard all of this. You know, youll be fine. Everybody will be fine. Were very professional. This isnt west africa. The public trust has to be eroded right now saying, wait a minute, someone who wasnt even at high risk got it. Yeah, but, martha, i think we need to separate it into two issues. One is the public trust of were not going to have an outbreak in this country because this country is not west africa versus taking care of a specific patient under a protocol that might unfortunately get a Health Care Worker infected. Those are really two Different Things because the Contact Tracing that has gone on now regarding mr. Duncan has actually put an umbrella over the people who came into contact, they are being followed. The system worked in this woman, as tragic as it is if someone gets infected, she was on voluntary selfmonitoring. She found she got infected and she immediately did what she was supposed to have done was to be reporting it, so even in this troublesome situation, the system is working regarding preventing an outbreak. I understand the system so far is working there but im talking about public trust because you hear Public Officials saying, we know how to handle this. They have protective suits. I think whenever theres Something Like this that happens, the trust becomes an issue and it spills over into areas where i agree, the risk of this spreading widely is zero. The possibility of additional cases is real. But when theres a statement that you can do this safely in any American Hospital and the first hospital that tries has a problem, that can impact on trust. Thats the problem. And just go forward a little bit here. In the coming next couple of days, what will we see . Were going to see them doing exactly what happened with eric duncan in terms of identifying all her contacts and tracking those people. Theyll be monitoring fevers for 21 days, theyll be, as they were saying in the conference, theyll be decontaminating the place where she lived. And those steps will help ensure this doesnt spread further but weve not seen the last of ebola in america. Were going to see this elsewhere. And youve got Health Care Workers right now who im sure are pretty worried, as well. Stand by for just one moment as you know, this latest news comes as u. S. Troops are heading straight for the hot zone this weekend. The center of the Ebola Outbreak in west africa. Well get our experts to weigh in on their mission shortly. First heres Abcs Steve Osunsami in ft. Campbell, kentucky. Reporter its an enemy many u. S. Soldiers have never seen before already claiming more than 4,000 lives in west africa, and now hundreds of american troops are heading straight for the hot zone to fight it head on. Inspect your gloves, inspect your mask. Reporter major jim wade is 1 of 1400 soldiers at ft. Campbell in kentucky leaving for liberia next week to help fight the deadly virus. How does it feel . Good . Fine. Reporter trading the dangers of bullets and ieds for a pathogen you cannot see. How many people have done a deployment . Reporter like many this father and husband of two has already left his family twice serving two combat tours in iraq with the 101st airborne division. Were still separated. Theres still going to be that the missing the family, but when it boils down to it, its our mission. Reporter how long are you guys going to be gone . They gave us six to nine months. Reporter in all the pentagon is sending 4,000 troops to this International Effort to build Health Care Facilities for the sick and move supplies. Commanding general gary velaski will lead the mission known as leading some of the most difficult migs in war time. The training was direct. Its not a good idea to shake hands, keep a comfortable distance when talking to people on the ground and treat all animals as if theyre infected. Youre only supposed to eat mres so something cooked by the army, water provided by the army. Nothing from the local population. Reporter already the World Health Organization says 8400 people have gotten sick. But among the troops we talked with, no fear or apprehension, just focus on the mission. If any country is prepared to stem the tide of ebola its the United States and those people need help. Reporter and every soldier here plans to return home healthy. For this week, steve osunsami, ft. Campbell, kentucky. Abc news,. Our thanks to steve and back now with dr. Besser and dr. Fauci. I know those troops will go over there and do the best job possible. But i have no doubt that this morning some of their families after hearing this news are concerned. Should they be concerned in this case . Well, the troops are not going to be directly taking care of patients, so we shouldnt misinterpret that. There are medical personnel from the department of defense being there. Theyre going to do a very important job of logistics, engineering, command and control and setting up the field hospitals. Certainly going over there, they could indirectly get in contact but their primary mission is not to take care of patients. I realize that, but there is some possibility of indirect contact. Theres always yeah, right now we have a situation and this is one of the reasons why theyre going over, a situation where only 20 of patients with ebola are being treated in treatment units, and so there are a lot of people who have ebola who are not in a protective environment, so the possibility of a soldier getting ebola is very real and something we have to be ready for. And i know talking to the chairman of the joint chiefs of staff that he said that they are prepared for that possibility and they do have a plan in place. Thanks very much to both of you. Up next, our exclusive interview with the president s top military adviser. Are air strikes against isis working . Campaign controversy. Why some say this new tv ad goes too far. And later, if Hillary Clinton runs could this be her choice for Vice President . Weve got Julian Castros surprising answer. Back in just two minutes. Announcer this week with George Stephanopoulos brought to you by pacific life. 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Our exclusive interview with the president s top military adviser, the chairman of the joint chiefs of staff general martin dempsey. This week hes holding urgent meetings with his counterparts from 20 countries, all focused on the fight against isis. Following news that the Jihadist Army is gaining ground. Followint army is gaining ground. Their fears, they could completely take over kobani, a key border town despite u. S. Led air strikes trying to hold them off. This morning, new images coming in of the fierce battle for that city, but i started off asking general dempsey if isil was within striking distance of an even bigger prize, baghdad. Isis is blending into parts of the disenfranchised sunni population so for indirect fire, the answer is, yes. Heretofore weve been successful, mostly the iraqis have been successful, in keeping them out of range, but i have no doubt there will be days they use indirect fire into baghdad. But perhaps most critical right now, keeping the Baghdad Airport out of the hands of isis. The chairman revealing a recent fierce battle near there between isis and iraqi forces where for the first time the u. S. Had to call in apache attack helicopters to prevent the iraqi forces from being overrun. Those helicopters fly low and at a much greater risk than fighter jets. The tool that was immediately available was the apache. The risk of operating in a hostile environment is there constantly. That was right by the airport . Well, this is the a case where youre not going to wait till theyre climbing over the wall. They were within, you know, 20 or 25 kilometers where of Baghdad Airport. Sure, and had they overrun the iraqi unit, it was a straight shot to the airport, so were not going to allow that to happen. We need that airport. Reporter then theres the battle in kobani near the Syrian Border where the u. S. Has launched air strikes to try to push back isis and the kurds now warn up to 5,000 people could be slaughtered if isis takes over. Whether there are still 5,000 people there or not is a matter of conjecture at this point. But i have no doubt that isil will conduct the same kind of horrific atrocities if they have the opportunity to do so. Is there more the u. S. And the coalition could be doing . We do think that theres more that the coalition could do inside of syria. Can you see setting up a nofly zone . Yeah, if you mean have i been asked to do it, the answer is no. Do i anticipate that there could be circumstances in the future where that would be part of the campaign, yeah. Its something the turks have been pushing for, meanwhile, since the Bombing Campaign began, isis has been changing tactics making targets harder to identify. With reports that only 10 of warplanes are actually dropping bombs. Is it harder to find targets . Is that an accurate figure . . Yeah, sure. I dont know if thats the right percentage precisely, but that wouldnt surprise me if thats the right number and the enemy, theyll be harder to target. Yeah. They know how to maneuver and how to use populations and concealment and so when we get a target, well take it. On the one hand, you say youve disrupted or contained them. On the other hand, if theyre going in and blending into the population and changing their tactics, that seem