to cdc quarantine stations in 20 ports of entry. this unassuming office may be the first place cdc takes someone they're worried about. they put them in here in this room with a bed, close the door and keep them in isolation. >> this is our go bag. >> reporter: trained medical officers based in the terminal prepared to rush to any passenger exhibiting signs of illness. >> and you are normal, 97.5. >> reporter: so without touching me, you got a temperature? >> that's correct. >> reporter: the cdc saying americans should feel safe. >> i'm confident that we're not going to have widespread ebola in the u.s. what we do need to make sure if someone arrives in the country and has symptoms, their doctor thinks of ebola, isolating them and gets the test, which we do here at the cdc. >> reporter: dr. richard besser, abc news, new york. now to the middle east, where a new cease-fire is finally in place. this morning after more than three weeks of fighting, israel and hamas have agreed to a 72-hour truce taking effect hours ago.