you are in the "cnn newsroom." i'm jim sciutto. there's word that the u.s. military is mobilizing to join america's fight against ebola. a defense department official tells cnn that the pentagon is forming a 30-person quick strike team to treat ebola patients anywhe inside the united states on short notice. they will specialize in the use of protective equipment used by medical personnel putting it on and removing it crucially. the team will train to deploy within 72 hours when ordered over this coming month. this word comes as a cruise ship

returned to a texas port with a passenger linked to the only ebola patient in the u.s. to die from the disease. that passenger had self-quarantined on the ship but she's now tested negative for ebola. and there is positive news from spain as well. a nurse's aide who contracted ebola after caring for a patient for the disease there is now declared free of the virus. she's expected to remain hospitalized for a few more days to complete her recovery. in ohio, the number of people being monitored for ebola has climbed to 153 according to the state's emergency operations center. this is the group of people who came in contact with the infected dallas nurse amber vinson. three people in ohio are currently under quarantine. want to head to dallas now and get an update on the number of people there still being monitored for ebola. cnn correspondent standing by now. this is a key 24-hour period because some of those people that came into contact with duncan are about to clear that

21-day milestone. what are you hearing? >> reporter: that's right. there are also still many people who will continue to be monitored. it's our understanding that there are three separate groups of people who are being monitored right now. this is according to dallas mayor mike rollings. the group with the longest to go is a group of undisclosed people. we don't know how many people are in this group. these are people that had direct contact with one of the two nurses, nina pham or amber vinson. there's also a group of 75 people whose 21-day monitoring period started the day thomas eric duncan died so that would be october 8th. they're monitoring period will likely go through around october 29th and then there's the 48 people whose monitoring period expires by midnight tonight. among those people is louise troh. listen to what a pastor at her church told us today.

>> they file lieel like this is tremendous miracle that has happened because they have not come down to be symptomatic given the close exposure they had early on. this is a long awaited day of celebration. >> reporter: this is a bittersweet day for this woman. bittersweet because she's thinkfthin thankful she's okay but grieving the loss of her fiance. she won't be returning to the apartment where duncan became sick and people have come together to make sure that she has place to stay because her lease at that apartment was up. >> we talked about the return of the cruise ship to galveston today. a work eer tested negative so t risk has been ruled out? >> reporter: she's among the 48 people who will be cleared by midnight tonight if she hasn't already been cleared today.

but, yes, there were some blood tests that were connected by the state. it's also worth noting that even though she isolated herself during this cruise, she never experienced any symptoms indicated a problem with the infection. >> better safe than sorry. thank you very much. 48 people in dallas will complete that 21-day observation period exactly at midnight tonight but not everyone believes that 21 days is long enough to make sure that the danger has passed. democratic congresswoman of hawaii joins me now. thanks for taking time out of your sunday. >> thanks, jim. alo aloha. >> you issued a statement calling for the cdc to increase the quarantine period for people exposed doubling it from 21 to 42 days. why do you think 21 days is not long enough? >> jim, it's a very simple fact. our number one priority needs to be making sure that we don't allow further infections of

ebola to happen here in the united states both by those here who have been in contact with those who have been infected with ebola but also for those who still have open passage to come here to the united states from these west african countries who could also have had contact with ebola patients. let's look at how the cdc has been handling this entire situation. it's been mishandled. outdated standards have been used for everything from the personal protective equipment, for our healthcare providers and to this 21-day incubation period that cdc put out and people are following. we've got to look at the world health organization standard which is 42 days, which is based on more recent skicientific dat and research to allow as close to 100% assurance and heuse

caution and not putting others in danger allowing this to grow and spread. >> you say there's medical evidence that for some cases and this is a disease that's been studied since 1976. there should be data out there. it could present after that 21-day period? >> there is scientific data out there looking at case studies over years and looking to the most recent situations that we've seen and the 21-day incubation period that these studies show do not -- it's not 100% coverage that shows that people do not get sick after that incubation period. there are studies that show that people are getting sick after that 21-day incubation period which is why we need to follow the world health organization standard that they have in place which is a 42-day period. >> so you have two problems here really. you have the problem when you have a case in the states as we have had new three cases, what

do you do with those contacts and how long to keep them controlled so it doesn't go forward and you have the possibility of new cases coming in. what's your position on a travel ban preventing anyone from coming from the countries that have been most threatened with this disease in west africa from coming to the u.s. do you think that's necessary and justified? >> i think it's important that we do institute a travel ban for people coming from these countries. we can come at this from a couple different directions. institute a 42-day incubation period before they're allowed to set foot here in our country so we can be assured that they're not carrying the infection with them here to the united states or we cannot issue visas to people coming from those countries temporarily until we get a handle on what's happening here with preparedness and readiness here at the united states. it's in our best interest for the people of the united states but also to be able to help and provide assistance to these west african countries to make sure that we are not having to deal with a larger outbreak here at

home on our soil. we've got some inconsistencies that need to be addressed. right now, for example, we have american soldiers, healthcare workers for example, who may or may not have contact with people with the work they're doing in west africa going through what is currently a 21-day incubation period and yet we have citizens from these west african countries who can get on a plane and fly here to the united states and maybe they get their temperature taken and they say i haven't been in contact with anyone but we have no assurance of whether or not they're telling the truth first of all, or whether or not their temperature may be fine but they may be incubating this illness and they're giving free passage to jump on a bus or plane and travel anywhere in the united states which shows the difference in standards and i think this is what is causing great confusion and frustration and anger on the part of the american people that we're not focusing our efforts enough on preventing further infections

here at home, which is exactly where we should be focused. >> let me ask you this because you have these 48 people in dallas who are about to pass that 21-day window. in fact, at midnight tonight. is it your view that if they are cleared and free to go home and travel and work after midnight tonight that that's too early? >> i think it is too early. i think if we're looking at what is the possibility of someone falling sick after that 21-day period and within that 42-day period that the world health organization has set in which they are enforcing around the world, i think it is irresponsible for us to put the american people at that risk when we have this data and we have this information. it's more important to be cautious and make sure we don't allow this possibility of further infections to continue across our country. >> congresswoman, thank you for joining us this sunday. >> thanks, jim.

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welcome back. the ebola virus is at the top of the minds for countless americans but are the fears over the virus scarier than the virus itself? want to bring up my panel of experts. we have an infectious disease and public health specialist and we have a special correspondent for the daily beast. we had a congresswoman on from hawaii. she has suggested that the period, the quarantine period be expanded from 21 days to 42 days for people exposed to people with ebola based on w.h.o. recommendations. do you think that's a reasonable

step? that would be a big step. >> there's a study that came out recently looking at how long should we calculate the incubation period for ebola to be. based on previous outbreaks in africa, we've seen 21 days is really the longest that we've seen. however, these are still estimates based on relatively small number of people. this is a much larger outbreak we're dealing with right now. and there's always the outside chance when you deal with statistics of the very rare event, the outlier, that may be outside of 21 days. >> this disease has been around since 1976. does that mean there are cases where people have developed the disease after 21 days or that they might be and they allow for that possibility? >> we've not seen it. they are allowing for that possibility. the way i would think about it is if you draw a bell curve, how much are you comfortable in terms of lack of knowledge.

some small tiny possibility of somebody having longer than 21-day incubation period. >> that's a big step to take if we haven't seen it yet. if you had cases where someone presented after 21 days, it would sound reasonable. if you never had that case, that seems beyond the curve, does it not? is this normal in response to serious diseases like this? >> this is another example of abundance of caution approach being taken with this. normally with most infectious diseases we wouldn't be so conservative and i think the reason this is being proposed and considered is because ebola is such a severe infection. >> you and i were talking about this in a conversation that got heated when we talk about steps in response to that that fall into that category. let's talk about the step the government took today to step up a quick strike team from the pentagon composed of soldiers to respond to cases in the u.s.

do you think that's a reasonable step and are there things that military health specialist are capable of doing it that public health specialists are not? >> if it can help, why not? i don't think they will take over hospitals. they'll bring expertise and they'll bring a checklist if you do this and you do this and you do this and bring standard precautions to places. in texas, they didn't know what they were doing in the first couple days. they just didn't. >> that was despite a lot of public proclamations from national health officials that our hospitals were so much better prepared than the ones in west africa and they have resources, things fell through the cracks. let's talk about this period that's going to come to an end tonight at midnight tonight. 21 days. we talked about that. for the 48 initial contacts with thomas eric duncan, they're going to pass that window, which is a key window and encouraging window. how encouraging is that? if we pass that point, does it

begin to give the indication that we're getting this under control? >> absolutely. to me it's a relief that we haven't seen any further cases among those initial contacts. remember, this is a disease of care givers and healthcare workers. spouses who are the ones immediately caring for a loved one and healthcare workers exposed to tremendous amount of infected body fluids and the fact that none of the immediate family in particular has come down with symptoms to me is tremendously reassuring. >> if we can get a little bit at this question of easing the fear outpacing the disease, i mention a tweet i got because i sent this out to our viewers and asked them to tweet back to me. here's one from lee who says the fear of ebola in the u.s. is outweighing the reality. it's a horrible disease but in third-world countries in west africa. is that accurate to say even though we had it jump the ocean though only in a few cases.

>> we have had it here. these are people who were living with this guy for a period of time and they didn't get sick. so i think there's a period in that there's a stage in that disease where the person is this huge virus factory where there are infected fluids and that and that's hazardous time. i think as long as people get to the hospital before that stage when they're just have temperatures up a bit then you have a good chance of containing it. the doctor would know better than me. the nurses i have spoken to, that seems to be the case. >> that must be some comfortable when someone responds that one ebola exposed person flew on a plane and here you have people living in close proximity at the worse time when thomas eric duncan was most contagious. an indicator that at the end of the day it's hard to get it. >> that's what this demonstrates. again, you need direct contact

with somebody or with their infectious bodily fluids and it's important to remember that the degree to which somebody is infectious, so how much virus they have in their body, increases as they develop symptoms and as they get sicker. by that point, thomas eric duncan was in the hospital when he was most infectious and that's why we see two nurses get infected. amber vinson on a plane with very mild symptoms is not terribly infectious. >> thanks very much for joining us. we appreciate it. human remains have been found on an abandoned property in virginia. police are searching for the crime scene and conducting forensic tests to determine if the victim is missing university of virginia student hannah graham. we'll have more on that story after this break. so ally bank really has no hidden fees on savings accounts? that's right. it's just that i'm worried about you know "hidden things..." ok, why's that? no hidden fees, from the bank where no branches equals great rates.

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it is the end of a desperate search, a sad search, and possible closure under the saddest of circumstances for charlottesville, virginia. authorities looking for hannah graham found human remains yesterday eight miles from where the university of virginia student was last seen on september 13rd. her parents have been told the news but forensic tests are still being conducted on the body. i want to go to cnn's jean casarez in charlottesville and just returned from the crime

scene where police are combing over it for evidence. what did you see there, jean? what's the latest? >> reporter: we got as close as we could to that crime scene, which is not the crime scene itself. here's what i was told by a law enforcement official there. they are still processing that crime scene right now even though the sun has almost set here outside of charlottesville, virginia. they work continues. they'll process the scene into the night i am told. they will have a surveillance of it by law enforcement through the night if they find there's a time they cannot continue but it will resume when the sun comes up tomorrow. this may go until thursday. the processing of this crime scene. and we did learn because a local law enforcement official gave an interview to a local television station and in that interview he says remains were fully skeletonalized. there was no hair. there was no skin at all. the question is where are those

remains tonight? no one has confirmed that they are with the medical examiner at this point in time. the next step will be an autopsy but i also asked this law enforcement official how do you start an autopsy if you are still collecting parts of that skeleton and the response was you possibly cannot begin that autopsy because the recovery effort continues. >> there's a tremendous amount that could be learned and collected from this site that could give an indicator as to who the killer was. what are you looking for? explain to our viewers why they'll take a number of days to go over this. >> this is critical evidence. jesse matthew has been charged with abduction with attempt to defile. police to charge him with that have linked him to her already. >> we know that from video camera. >> in order to turn it into a criminal case, they had to physically link her to him so

what this does is it potentially adds a murder charge of course if the body turns out to be hannah. >> you say with that abduction to defile charge, they already would presumably have evidence linking him to her? >> yes. that charge is based upon her having been abducted by him. he was brought back, remember, into the jurisdiction based on that charge. >> not just that they were together but evidence that there was defilement. >> has to be. >> what could that be? >> the early reports were that there were dna fragments in possibly his car. there were maybe things that were found in an apartment. we don't know what they were precisely. >> now they try to build. >> if we assume they were acting in good faith with the initial arrest, really all that they have to find now is a body and that would probably be enough to support a murder case. they're going to find other things. the skeletal remains may have

his dna. it may have fragments of his hair and skin. there are all kinds of things that can be pulled from the skeletal remains if this turns out to be hannah. >> jean, as you and i have talked about, there were other cases in this area, other cases in fact involving jesse matthew or at least accusations in the past and there are other unsolved cases of missing young women in that area. beyond the immense sense of loss felt in that community, do you hear anger there as well that he wasn't caught earlier? >> reporter: i think potentially what i'm feeling is relief because so many young women have gone missing just as you said and i think this community believes that maybe this is the beginning of an answer. you're talking about morgan harrington right there, another virginia coed blonde that went missing in this area. her remains were found not very far away from these brand new remains that were found and so i think that this process begins

again as the law enforcement officer says as this crime scene is now processed. >> this is a remarkable case in that -- again, we're very early on. you can't say that he's the perpetrator. there certainly is enough evidence to say that he abducted this girl and possible ties to other missing women. someone who is very local. this body found four miles from his mother's house. a house where he spent time growing up. he's been there for years. how often do you see cases like that where you have a killer acting very close to home? >> it happens with surprising frequency sadly. you do see it happen with killers. they work in the area where they live. that's one of the reasons we have sex offender registries so that people can be alert to it. i think the thing i'm curious about is i'm hearing reports on this. this homicide is not that old and for this to be down to only skeletal remains and there were

also -- >> 35 days. >> word there was no hair left seems to be rapid becodecomposi of the body. it will be interesting. >> she went missing 35 days ago. thanks very much. just ahead, the u.s. military is forming a team to help fight ebola here in the u.s. we'll talk about exactly what that means and why it might be necessary to stop the spread of the disease here and quickly.

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joining me now, james williams, former commander of the fourth marine division. general williams, tell me what's your take on this strike team and is there any precedent for the pentagon mobilizing a team like this here at home? >> well, absolutely. you know, back in the late '80s, there was actually another ebola outbreak. it was more a primate ebola outbreak in manassas, virginia, at one of the primate research facilities and we had one here around 1993 or so in alice, texas. very similar situation. and the army's unit based in maryland was responsible for doing that. so we do have a presence. the military is very capable of these things with great training, decontamination type

events like this are not new to the military. i think because this is a big challenge here in the united states now, it's getting more and more attention. rapid deployed forces that are prepared and trained are absolutely necessary and certainly there is previous precedence for this. >> i wonder if this team might help address a push that's out there right now, a question about introducing a travel ban on all people coming from west african nations most affected by this disease by putting the pentagon in this position to say if anything breaks out here, we'll get right on it with a team very well trained for this. does that help address that other concern? >> well, i think so. it depends on how this team will be deployed and how it will support the forces that are already deployed to liberia and in the region. you know, working in the region for the military is not a new

event so the military is always prepared for these types of events whether they are on a small scale, or much larger scale at this point. >> is this also a measure with the pentagon taking this step of the level of concern? i think folks back home hear everything will be fine and then you have some serious steps taken. does that mean that our leaders are concerned that measures taken so far aren't sufficient to control this disease? >> well, i think our leaders should always be concerned with anything that could turn out to be a pandemic such as this type of outbreak. you do want to contain it. the question of whether you want to have a travel ban, that certainly is something that needs to be debated among the health professionals and certainly among the transportation folks if they decide to do that. but based on everything that if it's done properly, there's not

really a need to do a travel ban if you do the screening properly. so that's really the question. will all of the protocols be in place that will support this effort? and if they are, there should be great possibility of containment. >> certainly a sign of the government taking this seriously. general, stay with me. he'll talk about the latest on the americans fight against isis and reports today that at least 70 isis fighters have been killed near the turkish border. also, a new controversy that's brewing over turkey's role in the fight for kobani in syria. the exhilaration of a new engine. painstakingly engineered without compromise. to be more powerful... and, miraculously, unleash 46 mpg highway. an extravagance reserved for the privileged few. until now. hey josh! new jetta? yeah. introducing lots of new.

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see car insurance in a whole new light. liberty mutual insurance. there is evidence at this hour that u.s. led air strikes atia air strikes appear to be working. the bodies of 70 isis militants have been dropped off at a syrian hospital. with the growth in air strikes, there's been a buildup of kurds fighting on the ground and fleeing the town as well but as nick paton walsh reports, some are unwilling to cross afraid that they will never be able to return home. >> 60 bombs in four days may for now have ground isis to a halt

in kobani. but to the city's west lies another trauma for those kurds still inside at a hole poked by the desperate in the border fence that's now policed by the turkish army. they won't let us film up close but daily we've seen dozens of kurds caught on the dangerous other side of the fence. but strangely, even though the turkish army will let them across, many still don't. why do they stay there? there is still fighting inside kobani and this a volatile place to be stranded on the other side of that border. we're told those there don't want to leave the city to leave their possessions because they are worried if they cross into turkey, they won't be able to return home. we film discretely closer when bread was delivered. the men there said there were thousands still inside. many we spoke to said they were

not leaving treasured homes and cars as they knew the army would not let them back in. this man came out two days ago to bring back food but can't cross. where do you think people can find bread inside there? the stores are closed and empty. some claim this is a calculated strategy that turkey is deliberately stopping people from going back in a bid to weaken the defense of kobani. claim one turkish military mp. if they turn back to kobani, the resistance against isis will be strengthened and our combat against isis will be more efficient. turkey doesn't want that. they want kobani to fall. we're convinced about that he says, there's no other reason. fighters are still smuggled in we've been told and turkish officials deny stopping people returning but as the fight drags

on, if all of isis comes back, kurdish anger as what they see as turkey's bid to weaken them risks growing. >> nick's reporting raising serious questions about turkey's role in this. turkey a nato ally. general james williams back with me. it turkey being a bad nato ally with this back and forth? the u.s. has come to ask for help but there's been negotiation and real questions about how much they are responding to those calls for help. >> i think this is a real challenge. turkey has historic challenge with the kurds and i think there is some question about even though they're a nato ally is whether they would support the effort to protect the kurds. as you know, the kurds for a long time have wanted to have their own country and territory which a large majority of eastern turkey is part of that

area that is occupied by the kurds. so i think there are some challenges here. talking with some of my friends in the region in egypt and other countries in the middle east, some of their perspective is that they think that turkey is not being really a great ally to the west at this point and that there is some question about whether the president of turkey is supportive of isis and/or of certainly the muslim brotherhood of which he has been very favorable for a long time. so there's a mixed bag of issues here and this is going to be a great challenge especially to folks like general allen who is trying to coordinate this 60-member coalition and certainly turkey will be one of his great challenges. >> there have been questions about how well turkey is stopping that flow of foreign fighters to isis across its

border into syria. let me ask you. it does seem the u.s. led coalition has seen its first big success inside syria with isis largely being pushed out of the town of kobani. is this a sign that the air campaign to some extent is beginning to work there? >> absolutely. you know, any time enemy forces mass, it gives the airpower great opportunity to target those forces and break up the force that is being applied in the region especially on a city like kobani. but at the end of the day, somebody eventually will have to get on the ground whether it's our forces or somebody else's forces to cob front the isis forces and deal with them in a much more decisive way because eventually isis forces will continue to mix with the population and that will make air targeting very difficult

without trying to hit civilian targets. >> exactly. that's a real fear inside syria and iraq. thank you very much for joining us. isis militants are not the only ones terrorizing the world. remember boko haram? that group that kidnapped 300 school girls in nigeria? you see pictures of them there. now a deal may finally have been reached to release some of those young hostages. [ female announcer ] we help make secure financial tomorrows a reality for over 19 million people.

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>> six months after being kidnapped from their school, more than 200 nigerian girls could be coming home this week. the nigerian government has announced a deal has been reached with boko haram. that april kidnapping kicked off a series of rallies and social media campaigns with the theme "bring back our girls." here's more on the fire storm that helped set the stage for the girls' eventual release. ♪ >> reporter: bring back our girls, the world has cried. >> those in nigeria are my sisters and it's my responsibility to speak up for my sisters. >> grown men attempting to snuff out the aspirations of young girls. >> it's infuriating and it goes beyond understanding that somebody could do this. >> this week marks six months since almost 300 girls were taken from their school in the dead of night, at the hands of

boko haram, the islamist terrorist group. more than five million of them have tweeted, "bring back our girls." the social media campaign went viral in may, a month after the girls vanished and it hasn't stopped. and now the news friday. >> there's been a huge breakthrough in the kidnapping ordeal that launched that global campaign, "bring back our girls." >> boko haram have agreed to a ceasefire deal. >> the deal was expected to include the release of the more than 200 kidnapped schoolgirls. >> the government announced a ceasefire, what they say is a step toward bringing the girls home. >> the terrorists have said that the girls are alive and well and that discussions will continue in this direction subsequently. >> one of the first people known to have tweeted "bring back our girls" said the social media fire storm made the difference.

>> of course it did. it really and truly was a negotiation. i think the social media campaign will take us to what we have achieved. >> that skepticism is felt by many. >> we want to be able to see any evidence of this deal if it would happen. i'm sure the majority of nigerians are thinking the same thing. >> while boko haram hasn't responded to nigeria's claim, the news has brought cautious optimism. >> eventually, i think, goal set for myself, has been achieved. >> more than 180 days since their abduction, hope, and more waiting. jessica king, cnn. >> hopefully that story ends with relief for those families. back here in u.s., riot police

use tear gas to control a crowd at a small-town pumpkin festival. >> it's ridiculous. supposed to have a fun weekend, and this is stupid. >> so what led to the violence and destruction? we'll have that right after this. (receptionist) gunderman group. gunderman group is growing. getting in a groove. growth is gratifying. goal is to grow. gotta get greater growth. i just talked to ups. they got expert advise, special discounts, new technologies. like smart pick ups. they'll only show up when you print a label and it's automatic. we save time and money. time? money? time and money. awesome. awesome! awesome! awesome! awesome! (all) awesome! i love logistics. when folks think about wthey think salmon and energy. but the energy bp produces up here creates something else as well: jobs all over america. engineering and innovation jobs. advanced safety systems & technology.

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>> nothing says fall better than a pumpkin festival. but in new hampshire, a festival ended with tear gas, pepper spray and dozens of arrests. the town's 24th annual was not the first to see riots and rowdy

behaviors. for more on the festival gone a wry, i was looking at twitter, the number one trending topic, pumpkin fest. what went wrong? >> people can't believe this happens at something called "pumpkin fest," billed as a family event, attracts 20,000 people. it happens in keen state college, it attracts a lot of young people. the events you see on the screen have nothing to do with pumpkins. police come in in riot gear. they used pepper spray and tear gas to subdue this unruly crowd. you can see they have bonfires going in the street. people were throwing rocks at each other, throwing bottles at each other, flipping over cars, pulling out lampposts and sign posts. want you to listen to what some people in the crowd say about what they experienced. >> i got hit with a jack daniels bottle, like across the face.

yeah, i was in the health center for a little bit. these guys came in with shields, started tear gassing me. crazy stuff. >> ridiculous. from rhode island, supposed to have a fun weekend, and this is stupid. >> and jim, we were seeing the problems unfold for the last couple of days really. on friday night, there were 42 different arrests. police say that had a lot to do with alcohol and partying and last night you saw it escalate to that level. >> some of these scenes, it looked like a riot. and i was going to ask you, was there alcohol involved, and the answer is? >> yes. when you see the pictures, certainly there was alcohol involved. the school says they'll be looking to see what students were involved in it. they're looking at social media pictures, they want to identify who is a part of this, who is perpetuating these acts, and they say they could face

expulsion from the school. >> thank you so much. quick update on the main story we've been following, the battle against ebola. a defense department official tells cnn the pentagon is forming a 30-person quick strike team. five doctors, 20 nurses, five trainers who specialize in the use of personal protective gear will train to deploy on short notice nationwide. and a cruise ship has returned to the u.s. a passenger had self-quarantined on the ship but tested negative for ebola. stay with cnn.com and cnn for the latest. tonight anthony bourdain will eat his way through paraguay.

and then at 10:00 eastern, we have a live look at the filthy rich in "this is life." thanks for joining us this weekend. right now a cnn special report. san francisco shaken: 25 years after the earthquake. >> the following is a cnn special report. [ cheers and applause ] >> reporter: it is the ball game -- >> we're having a earthquake. >> reporter: -- that turned into a disaster. >> we have a complete structural collapse of the entire freeway. >> 25 years after a major earthquake rocked the bay area, stories from beneath the rubble. >> they have people trapped on cypre cys.