nbc sarah daloff is live for us in dallas again and also in london, kelly kobe yeah ya.e ground and also, there are concerns about who else might have come in contact with this latest patient. >> that is correct. they call it breaking the links of transmission, making sure the virus doesn't spread to anybody else. located 19 people that had contact with the new patient, that's 18 casual contacts and one close contact. also placed that close contact in isolation for monitoring. and we also continue to monitor those 48 people who had contact with mr. duncan. that includes ten people who had close contact with them. they at least have another week of this monitoring, i believe the 20th this month when the 21-day waiting period up. so far, no one showing signs or symptoms of ebola now. >> what was that your sense there, sarah, you have been watching the story develop the last several weeks? when they came out, those hospital officials early this morning and later on, the cdc, their sense of, if you will, confidence or lack thereof? did you get any sense of that? >> i would d