they have all got out of batcave alive. while before they are allowed to —— they have all got out of that cave alive. it has been a physical ordeal, they will get all the medical treatment they need but it is a moment that everybody in and around this hospital is celebrating. and do we know what will happen next, martin? how long this will take and how they will begin to come to terms with what they have been through? what we do know if we take the first batch that came out on sunday, they faced medical tests but according to thai officials, none of them were suffering from fever. the reason they're been kept in isolation is simply they may have infections and they don't want anyone to give them an infection. so for that reason the families, we understand, will be able to see their boys later tonight but that will be done through a glass window. the so that priority, the health of the boys, is absolute. we know that they are slowly building up their strength, they are starting on soft foods but the boys up starting on soft

but in pennsylvania, scientists are hoping to slow the fungus bite changing the temperature of the batcavejane o'brien has more. jane: the best way to check a bat for white nose syndrome is to catch it. this shows clear evidence of the disease. >> when we look at her wing, if you hold it to the light, you can see wing damage where you can see the infection of the disease. jane: you can see the damage here. >> that hole. ja: greg turner has witnessed the population in pennsylvania 20 to 30nge fro million of years ago to 10,000 today. >> it will take to getor the batscl e to where they were before white nose syndrome. jane: t find a way to stop white nosed spring. research has been done on vaccines, but dosina bat is tricky. how about altering the enronment where bats hibernate to slow the growth of the fungus much colder. >> 20-30 degree temperature just from this point. jane: white nose syndrome cannot flourish in colder temperatures for the scientists created a sinkhole to cool it down. how many bats were here? >> we had seven bats. anafter weulated this site, we went in one year up s.o 2

it will be tricky getting the remaining boys and coach out of batcave, tomorrow possibly into the day exhaustion levels, tomorrow will there be a tag tea m levels, tomorrow will there be a tag team format with another set of divers going in? no, we believe it will be the same team because the expertise and experience required to manage a rescue mission are limited with only a few people who have experienced diving deep, so far underground. they have come from all around the world, five or six nationalities involved in that 18 strong team at the core of the rescue effort so i think those people with that experience in these conditions are the ones calling the shots and to have assessed whether the boys were ready to make the journey and they have guided the mission today for the first four boys taking care of them along the way and taking their time. nobody wa nted way and taking their time. nobody wanted to rush things, nobody wanted to get it wrong and it looks like they are taking a break and we'll come back fresh tomorrow. a big support team of soldiers from the thai military and d