those are the drivers of ebola in africa. ebola only spreads from people who are sick and only spreads through contact with infectious body fluids. it does not spread through asual contact. it is not an air borne disease, does not spread through water or food. and incubation time is usually between eight and 10 days from exposure to onset of illness. it can be as short as two days and possibly as long as 21 days. but in that time, it is essential any contact he closely monitored to determine if they have developed the symptoms of ebola and if they have, are followed up. we do know how to stop ebola. meticulous case finding, isolation, contact tracing and management. we with our partners have been ble to stop every ebola outbreak to date. and i am confident that if we do what works, we will stop this one also. but it won't be quick and it won't be easy. it requires meticulous attention to detail. if you leave behind even a single burning ember, it's like a forest fire. it flares back up. one patient not isolated, not diagnose,

remember, ebola is a deadly virus that cannot be cured. you cannot cure it, but it can be managed, and dr. brantley and nancy rhibald. >> there was a controversy concerning dr. brantley, concerned that they would bring the virus to the united states, the first american on american soil to be infected. and we're watching the door because we're waiting for him to walk through. >> many americans are concerned, and i wouldn't say that it's incurable, but it's not airborne. if somebody has ebola, the virus can't travel through the air from one person to another. you can only get it if you come into contact from somebody suffering from ebola. if you come into contact with, in some way, with their bodily fluids. which is why the two aid workers fell victim to the disease because they had been working alongside of so many victims in west africa. >> that's why nancy writebol was dispatched without any fanfare without anybody knowing. >> according -- >> what we did know, her husband, david, under observation, he has been looked after because the inc

baiting ebola. -- incubatting ebola. because we're interconnected, we're working with state and local health providers so there are -- they are aware people may come in with fever or other symptoms, they should think if it's ebola, immediately hospitalize them in the hospital and get them tested at c.d.c. we've issued a level three travel advisory against all nonessential travel to new genie, sierra leon and liberia and enhanced precautions on nigeria and we'll reassess that situation daily or as frequently as needed. there is strict infection control possible in hospitals in the u.s. there have been some misconception about this. ebola is not as highly infectious as something like influenza or the common cold. what's so concerning about ebola is that the stakes are so high, that a single lapse in standard infection control could be fatal. that's why the key is to identify rapidly and strictly follow infection control guidance. it is certainly possible that we could have ill people in the u.s. who develop ebola while her

there's no particular medicine for ebola. it's supportive treatment which means replacing fluids, sometimes replacing blood clotting factors. but your group got a $26 million grant to develop a vaccine and two medicines. a lot of people asking about this now. how far along is it? >> they are at different stages. but basically what our grant covers is taking three treatments that we think are the most promising that have shown substantial ability to protect animals against ebola and a b bio safety laboratory. one is a vaccine that works much like a rabies vaccine. all of these have been able to completely protect nonhuman primates against ebolebola. >> you're talking about the vaccine, two medicines. so far had some success with nonhuman primates. but it has been used on a human before as well in an emergency situation? >> that is correct. a few quarters ago a laboratory worker in germany had an accident with a needle. so the person was working with a small animal. jabbed herself with the needle. and within 40 hours a vaccine

ebola is the "inside story." >> hello, i'm ray suarez. ebola is a disease caused by a virus. it's very easily spread from person to person. up to nine out of ten people who contract the disease die of it. people who have been incubating ebola shed bodily fluids through vomiting, diarrhea and bleeding, and contact with bodily fluids is how the disease is spread. there is no cure. there is no vaccine. with cases now reported in four west african countries the world faces a frightening prospect of a wider outbreak. today's ebola outbreak in west africa is the worst in history, and in a globalized air-traveled, savvy world there is a race to control it. since march the "world health organization" has confirmed 670 people have died liberia, sier sierra leone and guinea. now a cause for concern, patrick sawyer, he died from ebola after flying on more than one plane. he got sick in liberia, then it's believed he go had a stop in ghana. now sawyer's case is sending local and international officials scrambling. >> the "world health organization" is sending two teams to both nigeria an

there's no particular medicine for ebola.nt which means replacing fluids, sometimes replacing blood clotting factors if someone is bleeding. but your group at the university of texas got a $26 million grant to develop a vaccine and two medicines. a lot of people asking about this. now, how far along is it? >> they're at different stages. but basically what our grant covers is taking three treatments that we think are the most promising that have shown substantial ability to protect animals against ebola in a biosafety level lant. these treatments one of these is actually a vaccine that works as a post exposure treatment much like the rabies vaccine here in the united states. the other is a small molecule inhibiter and the other is conventional antibodies. all of these have been able to completely protect nonhuman primates against ebola and they are the gold standard animal model. >> you are talking about the vaccine, two medicines and so far had some success with nonhuman primates. but it has been used my understanding on a h

it is not the case that someone will know they have ebola and go to a special ebola unit. in this country, we have told health-care workers to take a travel history. tests. we have had five people in different parts of the u.s. who and from a travel history five have turned out to not have ebola. one had malaria, one had influenza, others had something else. be a high index of suspicion so the doctors will rapidly isolate the person and rapidly test them. >> how do you screen? if someone sees someone with a -- there are pictures in the news of these wands are there doing some type of screen. it is really not effective. screen short of a blood test in a facility. if someone does have -- >> for , we havethin the u.s. a test that is accurate and relatively quick. the department of defense also has a test. we are working in collaboration with them to see if we can get the test out to the laboratory response network. this is a network that cdc coordinates to test for dangerous pathogens. ebola is not in their usual network. this would be a new procedure. orher through the defen

she has ebola, so does her son. ebola is so deadly, it's killing our citizens, killing our country. her husband and son died of the disease. 70% of confirmed cases here will die too. >> she's confident -- >> to talk to her we must stand a few feet away. the strict protocols protect us. the cruelty is, they isolate her. still, she believes her 12-year-old daughter will make it, and so will she. we are feeling much better she says, we are strong and we're going to fight. >> what happens when you actually beat this disease? >> that's the real hilt of everything that we do here. everybody comes to watch the passion come out of isolation, i think it will continue. >> david mckenzie, sierra leone. >> thanks so much. incredible reporting, very proud of david. >>> up next, we have an incredible look inside an emergency room in gaza. the doctors and nurses who struggled to take care of victims of the seemingly never ending israeli/palestinian conflict. . it's great because it has the four cornerstones of nutrition. everything a cat needs for the first step to a healthy, happy life. purina ca

how many people have you lost from ebola? what's the solution? how will ebola end?i don't see we are doing enough. the best solution now i think for me is to get a way out. >> reporter: he's now forced to cross the rope line back into the ebola zone. i've seen outbreaks all over the world and i've never seen anything like this. it makes no sense in terms of disease control. this is just adding enormous pain and suffering. in this dark area, an influx of help from abroad is a rare ray of hope. a new center is set to open its doors as soon as tomorrow. modern, clean and capable of holding up to 400. for so many people here, these effort also be too little, too late. and many people wonder what might have happened had the world acted sooner? i'm dr. richard besser in liberia. >> we want to thank dr. besser and our producers for their amazing and dangerous work tonight. >>> coming up next on "nightline," a big storm off the coast of california means big waves. it might look like fun, but look what happens to these beachgoers. infrom the experts in feminine bladdeprotect

. >> ebola alert. >> fast-growing ebola outbreak. one of the most feared and deadly diseases on earth. >> surging out of control. >> jon: what the [bleeped]! oh, my god. what the [bleeped]. [applause] [bleeped] that's going to make a good gift. all right. [bleeped]. first it was war. then it was plaismg we're either in the end times or a sci-fi original movie. we're all in danger. >> the world trade organization reports there are now 1,603 cases in west africa. [laughter] >> jon: oh, well, that's terrible for those countries. i didn't realize. all right. i guess i won't be needing this. why don't i just cut it up for parts because you got cut the hood up before you throw it away, otherwise i think dolphins get stuck in it or something. [laughter] >> there are new fears tonight about the ebola outbreak right here in new york city. doctors at mt. sinai hospital are performing tests on a patient who is showing possible symptoms of the virus. >> jon: mother [bleeped]. [laughter] [cheering and applause] how do we even know this patient ha

pre-ebola epidemic.u have some people living in medieval conditions in the 21st century, and some people living in the 21st century. how do we move more people from here to here? triple't have to have your gdp to build health systems. health systems help grow your economy. to me, that is the big picture. rich world/poor worlds, rather than a narrow view of an incident. although, i think we should be commenting on it. now, about the company's that are making -- you mentioned vaccine. these are not vaccines. we're talking about race there am and some -- a new class of drugs that interfere with rna. from what i understand, it is a number of companies. what is important for us to know is a lot of that is supported by the national institutes of health. therapy fora lot of aids was developed. so we all have a say, i think, and the world has a say because i regard the nih as a jewel in our crown as a nation. we have a say in how we build out an equity platform to make sure those discoveries reach those in great

ebola is familiar to us. from aas we can tell, biological and genetic point of view -- it is a mutant virus that has taken on new powers. it has entered a new region. it has tested positive in africa. the psychological dimension has to be kept in mind. ,ecause of the novelty of this and the immune systems of people in western africa, we are experienced with dealing with the outbreak. u.s. ade has also targeted the response in western africa. we also started supporting and $4ents to unicef, million to support. indeed, it is important to note that the chairman's comments -- ehe outbreak in sierra leon and liberia started in wretch retrospect, we can see it was earlier on. the cases were in the march. for a couple weeks, we have this outbreak. then, in the spring, the initial outbreak went down. if you allow one case -- they can reignite the whole thing. that is what we have seen. so far, it has been truly difficult to control. unicef torked with allow to deploy 30 or so technical experts and provide additional

ebola on this program. we begin in nigeria, the largest city in sub-saharan africa, the economic heart of the continent's economy. only a few thousand ebola sufferers. is it starting to trickle down to the daily lives of people in the country? >> yes, we've seen this outbreak have an immediate impact on people's lives. not just the cross country travel restrictions but you're seeing entire neighborhoods, entire communities guaranteed and barricaded by security forces. this is effecting trade. it's effecting the practice of food. it's causing fuel shortage. these measures have been current productive. what you're see something people being afraid to go to fell safeties. health workers in some places not reporting to worship. you see people die from regular innocences who are not going to healthcare centers. and really spreading a sense of panic across communities. >> is that panic bringing resistence and making the basic task of trying to stop this outbreak hard, too? >> very much so. people have been frustr

ebola can really knock you down, because the way ebola works is it eludes the immune system, you don't get the usual immune response. the anti-bodies are not responding. if you get very sick, it's because ebola has gone all over the body, it can affect the kidneys and the liver. the initial signs are just like the flu and that's why it's hard to diagnose. dr. freedman, the top infectious disease guy in the country says you're not going to spread ebola unless you've already got sichl toms from it, you've got headache, muscle makes, you've got high fever, then you've got nausea and vomiting. then you get plenty of bleeding which is one of the things that leads to the death of patients with it. over 50% of patients are dieing from that particular outbreak. he probably got very good care over there in africa and he got blood from someone who had already survived it. >> there was a 14-year-old boy who was infected with ebola and he got a blood transfusion from that young man that possibly saved his life. i saw that video of him walking in. in that kind of decontamination suit. there's dr. b

we need to stop ebola. but ebola keeps spreading.ffecting more people and wider areas than ever before. health officials say that at best, it could take months to stop it. there are no guarantees even of that. >> so the whole country shut down. >> yeah, whole country is in national issue. whole country. >> why do people need to pray? >> because of the problem. >> we've been through a series of checkpoint. each one is stricter than the last. one red cross official told us that along this road, ebola is everywhere. but it is through this point, into calhoun district, where it is the epicenter of this unprecedented epidemic. and it is there that the biggest battles are being fought. >> and those battles are fought here in calhoun by groups like doctors without borders. they are scrambling every resource they have, erin, to try and get patient into a contained area and of course if possible save them. death threats here are horrific. around 70% they say. and still there are people in villages who might be too afraid or not believe that t

and the latest on the ebola outbreak. israeli prime minister benjamin netanyahu vowed to keep pounding hamas but what toll is it taking? we will talk to the head of the u.n. relief pierre krahenbuhl how about the crisis is and what happened in the u.n. shelter in gaza today. and an american doctor infected with the ebola virus arrives in atlanta what steps are being taken to keep ebola from spreading here in the u.s and we will talk to the head of the centers for disease. >> we did a lot of things that were right but we tortured some folks. >> as washington races for the release on a report on torture we will talk to the top republican on the committee saxby chambliss. and michael bloomberg is joins forces in the white house about a push on investment and we will talk to him and valerie jarrett. 40 years after president nixon's resignation we will talk to the man in the middle of the watergate scandal former white house counsel johnn dea about his new book, "the nixon defense: what he knew and when he knew it." 60 years o

i am privileged to testify before you today on the ebola developments of the ebola outbreak in west africa and purse experience and response there. i will read this one page so i do not forget to say anything and then i will put the script away to say things that need to be said. mertens purse has 30 years dedicated to humanitarian relief. we have worked in over 100 countries, including afghanistan, north korea, south sudan, sudan, and liberia. we have responded to medical emergencies such as the cholera epidemic in haiti and we have provided medical care to the people of bosnia, rwanda, and sudan during the genocide of those countries. the oboe let impact it's had a profound impact on our outbreakion, -- ebola has had a profound impact on our organization, and i would like to share with you about our experience in liberia. i would like to take this opportunity to thank the united states government, particularly the department of state, the department of defense for assisting samaritans purse in the evacuation of american personnel. we would particularly like to thank dr. kathleen ferguson

el sacerdote espaÑol infectado con Ébola estÁ estable.us. autoridades de salud reportaron que ambos llegaron bien, aunque algo desorientados. >> no hay manera de cortar las alas a la mujer que se empeÑa en volar sin pagar en california. >> les diremos por quÉ parece que la naturaleza estÁ furiosa con las islas de hawai. >> el >> si angela paris puede dar dos funciones en un dia con always infinity... tú puedes pasar la noche entera en un karaoke. always infinity. la primera toalla femenina de foam del mundo. absorbe 10 veces su peso. se siente como si nada. infinity. always. reescribe las reglas. ♪ ♪ >> la mujer que esta semana viajÓ en avión sin boleto fue arrestada nuevamente en california. de 62 aÑos vista en el Área del aeropuerto de los Ángeles desafiando la orden de un juez que prohibiÓ hacer eso. en 6 ocasiones intentÓ viajar de san francisco a hawai. >> libraron al chofer de un autobus que chocÓ a otro en time square. fue detenido despuÉs de no aprobar la prueba de alcohol. deben esperar los resultados de examen de toxÍcologia par

is ebola spread? >> i ask, does this thing mu at a time, has it changed. we talk about flu virus changing all the time. he said the ebola virus has been basically the same since 1976. so you can only get it, julie, by close contact to secretions. usual usually, it's diarrhea by the way. and because of the practices in west africa. when someone dies, they wash the body. they don't separate themselves. they also are not understanding precautions. he said to me, if you would be able to isolate sick patients and take someone that's sick -- the reason that this is a huge problem in west africa is because these are populated area. before, there have been several outbreaks that have been controlled because they're rural. you're able to come in with a health care team and control them. >> i think the hygiene and water system and the way we live our life is a little different over here. over there, if something gets into the water system, they may not really be keeping the kind of hygienes and they don't have

ebola dates back to europe time when they battled the plague. guinea closed it's borders over the weekend leaving some travelers stranded. >> we have spent four days here. we've suffered a lot since we came here. there is no food. we have asked them to allow us to enter as guineaens but they will not. >> reporter: there are drugs in the early stages of testing. zmap has proven effective when used on monkeys but has yet to go through human experimental trials but th ebola is now so severe it has been ruled ethic ethical. >> the special circumstances of the ebola outbreak it is ethical to offer unregistered as potential treatment or prevention. >> reporter: three have taken emap so far. two are american aid workers. they were transported back to the u.s. and reportedly getting better. u.s. health officials say they don't yet know if the drug helped. the third patient was spanish missionary who passed away tuesday in madrid. no experiment medications have been given to african patients. further ethical questions have been raised surrounding the dis

. >> fear and panic over a possible ebola outbreak. >> growing fears about ebola -- >> stephen: yes! we're all afraid! (cheers and applause) we're all afraid about a coming ebola outbreak! (cheering) everyone is on high alert! (cheering) but mostly bill in our graphics department! (cheering) here's how the plague has spread so far -- two american health workers who contracted the disease while treating patients in africa have been evacuated to emory university for emergency medical care. to add to the horror, emory is in atlanta so they probably had to fly delta! and it brings me no comfort to know that ebola is spread only through intimate contact with bodily secretions such as vomit, blood and feces. speaking of vomit, blood and feces... donald trump. (cheering) donald tried to warn us about this looming pandemic via twitter. stop the ebola patients from entering the u.s. treat them at the highest level over there. yes, we should have treated these desperately i'll americans at the highest level in liberia! no civil war era medical technology should be spared! the freshest leaches!

ebola is the "inside story." hello, i'm ray soares. ebola is a disease caused by a virus. it's very easily spread from tak precautions or take care of the proper precautions, and it spreads within family members. within family members or even it's that morticians. because so it's that kind of understandable, because it's traditional behavior. but nonetheless, it's totally counter-productive when it comes to trying to contain an behaviour. particularly in west african epidemic, particularly in the countries - western african countries that you mentioned, it has gotten to the cities. cities when you're in the cities, the density of the population compounds even more the spread compounds, and spread, and when people are sick, and a lot of times, of times it's by team just by the people care of them, the physicians and health taking care of them who get sick mention. >> as the healthcare workers that you mentioned. people, what are the >> those are your people, and the rules of people what are the rules for people sierra leone, monrovia, liberia, to working in sierra leon, pas

but ebola keeps spreading.ffecting more people in wider areas than ever before. at best, it could take months to stop it. there are no guarantees of that. >> the whole country is shut down? >> yeah, the whole country. >> it's a national issue, the whole country. >> why do people need to pray? >> well, because of this problem we are encountering, this ebola issue. >> we've been through a series of checkpoints, each one is stricter than the last. along this road, ebola is everywhere. it's through this point where it is the epicenter of this unprecedented epidemic. it's there that the biggest battles are being fought. >> we'll continue to follow that of course as well. >>> still to come, some of the biggest landmarks in britain turn off the lights. >> that is, except for a single candle flame. we'll tell you why after this short break. we never thought we'd be farming wind out here. it's not just building jobs here, it's helping our community. siemens location here has just received a major order of wind turbines.

well, the spread of the ebola virus has prompted the u.s. centers for disease control and prevention to issue its highest possible alert. >> yeah, the cdc director calls the current ebola outbreak the biggest and most complex in history. dr. tom frieden says it will take months and it won't be easy. >> a patient with suspected ebola symptoms tested negative for the virus. so that is good news in itself. but those two u.s. medical workers now undergoing treatment for ebola in atlanta, there are their pictures, each received an experimental serum. >> but it's just not clear right now if the drug is effective, and there is a very limited supply. in fact, u.s. president barack obama is downplaying hopes that it could be used to contain the outbreak. >> i think we've got to let the science guide us. you know, i don't think all the information's in on whether this drug is helpful. what we do know is that the ebola virus, both currently and in the past, is controllable if you have a strong public health infrastructure in place. >> we'll explain thi

this first case of ebola in senegal. it's a guinea national, so they share the 300-kilometer border with guinea, and there's a lot of traffic between the countries, and they have the largest migrant population. he's a student in guinea, and he went into a local clinic in dakar on tuesday, complaining of symptoms, vomiting and high fevers, and the doctors asked him about his medical history. had he been in guinea and been in contact with anyone who contracted the ebola virus. he denies being in contact with anyone person that has ebola. often the doctors took blood samples, and it turns out that he was lying, and he was in fact in contact with people who had ebola, and in fact members of his family. quickly he was put into quarantine in a hospital here in dakar. and these are the bits of information that we know. obviously the health authorities are prepared, being that senegal has such a large border with guinea. it's not so much what was told, the details, but what wasn't told to us. the information that they refused to

got sick in liberia while working on an ebola decontamination team. but after two doses of an experimental serum. doctors think she has a fighting chance to survive. >>writbol is described as weak - but improving. >> pam: the world health organization says, the ebola epidemic has killed nearly 900 -people in west african countries. and infected more than 16-hundred others. >> pam: a sacramento peace corps volunteer. who has just been evacuated back to california from western africa. says, african officials are "not" doing a good job of handling the outbreak. >> pam: sierra leone is now sending out pleas for help. acknowledging it is "not able to deal" with the crisis. >> pam: an ebola scare in new york tonight: a plane from abu dhabi. was held at j-f-k airport for awhile - when a baby began coughing up blood. >> pam: officials now think the child was simply dehydrated. >> pam: meantime, doctors in new york are still waiting for test results on a man who checked himself into the hospital with a high fever yesterday.he had been traveling in west africa.

well, there is no vaccine for the ebola virus. infected patients are usually isolated then given fluids and oxygen. doctors also work to treat any secondary infections that may occur because of the disease. pam an update tonight about the bay area mother who travelled to west africa. to pick up her adopted son. a co-worker of natalie wisniewski's tells us, she and her son are doing well and are scheduled to come back to san francisco on august 12th. her 14- year old son lives in sierra leone. that region has been hit hard by the ebola virus. wisniewski had feared, the longer he stayed, there would be more chances of becoming exposed to ebola. new at 11: police in campbell are looking for a man who they say, robbed and shot people over the weekend. this is a sketch of the suspect released by police. they say. early sunday morning. the man shot and tried to kill a 22-year-old woman and a 31- year-old man at campbell and union avenues. minutes before the shooting, police believe the same man robbed a 25-year-old woman in downtown cam

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but what is the survival rate for those exposed to ebola? >> well not exposed, those who are affected, from about 40% to 50% to up to 90%. the current case fatality rate is between 50% and 60%. there's about 1,300 deaths in 2,300, 2400 cases, so that's a bit more than 50%. somewhere between 50% and 60%. >> regarding the larger conversations of ethics in medicine, people travel more than ever before, the access to travel, tickets to europe are cheaper than ever in the past. what do you have after an outbreak of this nature. and what will we see in the future? >> we still don't want to panic people, it's still a tough disease to transmit. we may get people in liberia today, tomorrow in down. kansas city, we do want to watch travel restriction, quarantine, we also want to keep an eye on who might have symptoms. but beyond ebola, other infectious diseases. >> we need to improve the world's infrastructure, the response here was slow. we got to set up a system that can get to outbreaks faster, it's that simple. >> again, we are watching live pictu

it confuses, for some, the facts about ebola. >> we can stop ebola. we know how to do it. >> reporter: why do we seem more afraid of ebola than sars? or the flu? because, he says, ebola is more dramatic. >> this virus kills 90% of the people it infects. the idea that it's extraordinarily bloody, the idea that causes people to bleed out, the idea that it dissolves bodies. those images were so lurid and so riveting that people fixated on ebola. ah, it's the world's most dangerous and most scary virus! >> reporter: scary but not yet a threat here, not yet a cause for concern. >> worry about the african people who are dying of this disease, be concerned about them. their misery and their jeopardy. >> reporter: dr. sanjay gupta, cnn,. thing. reporting. >>> still to come this hour on cnn, we're nearly halfway through a three-day cease-fire in the middle east. >> straight ahead, the rush is on to make repairs so gaza can have some of the desperately needed basics. >>> you are watching cnn special coverage. >> thanks for staying with us on cnn. here are our t