Published on Jul 29, 2014
PROVIDED BY CNNNEXT.COM
Ebola outbreak in West Africa has killed more than 670 people and spread to four countries.
Among those now infected are two American aid workers and the lead Ebola doctor in Sierra Leone.
Gwen Ifill interviews Dr.
Estrella Lasry of Doctors Without Borders about factors, including fear and hostility, that are hindering efforts to stop the outbreak.
