more than 1,900 people are infected , and More than 3,500 have died , Medecins Sans Frontieres says . International response to `` global crisis '' inadequate , WHO says . Dr. David Nabarro , the senior United Nations system coordinator for Ebola , said that in observing the disease on the ground , he noticed that a number of the infections have spread between family members who are caring for the sick . A nurse from the North London who had been infected leaves the hospital .
more than 1,900 people are infected , and More than 3,500 have died , Medecins Sans Frontieres says . International response to `` global crisis '' inadequate , WHO says . A nurse from the North London who had been infected leaves the hospital .