Nancy writebol left liberia in serious condition. Shes expected to arrive around 11 00 a. M. Eastern time. Now writebol will join Kent Brantley at the hospital. Both are being treated with an experimental drug. A director of the National Institutes of health spoke with chris hayes about the drug. This is an intervention that was developed with federal funding by nih, my institution, and now its with a company thats trying to scale it up. There are only right now as we speak three treatment doses available, so it isnt like theres a lot of it available. We really have to scale it up. The Ebola Outbreak in west africa is causing doctors around the world to be cautious. A man with ebolalike symptoms has been tested for the virus. Its unlikely he has ebola. Im joined by jay grey in atlanta. What can we expect today . Hey there. Well, a lot of people expecting the arrival of the second american missionary. As you talk about nancy wrightbol with the specially equipped medical swret shes in ri