"Within an hour of receiving the medication, Brantly's condition was nearly reversed. His breathing improved; the rash over his trunk faded away. One of his doctors described the events as "miraculous.""
"Writebol also received a vial of the medication. Her response was not as remarkable, according to sources familiar with the treatment. However, doctors on Sunday administered Writebol a second dose of the medication, which resulted in significant improvement."
http://www.cnn.com/2014/08/04/health/experimental-ebola-serum/index.html?hpt=hp_t1
"Writebol also received a vial of the medication. Her response was not as remarkable, according to sources familiar with the treatment. However, doctors on Sunday administered Writebol a second dose of the medication, which resulted in significant improvement."
http://www.cnn.com/2014/08/04/health/experimental-ebola-serum/index.html?hpt=hp_t1