"He seems to be improved from the reports we got earlier," says Centers for Disease Control Director Dr. Tom Frieden. "Ebola can be deadly, but in people who are healthy, the case fatality rate may be lower than the ones that we're usually quoting."
In the next couple of days he will share the special isolation unit at the Atlanta facility with Nancy Writebol, an aide who contracted the deadly virus while working alongside Dr. Brantly during their medical mission in Africa.
Read more from NBC News.
Copyright 2016 Nexstar Broadcasting, Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.