Authorities are having trouble figuring out how many more people are getting Ebola in Liberia and Sierra Leone and where the hot spots are in those countries, harming efforts to get control of the raging, deadly outbreak, the U.N.'s top Ebola official in West Africa said Tuesday.
"The challenge is good information, because information helps tell us where the disease is, how it's spreading and where we need to target our resources," Anthony Banbury told The Associated Press by phone from the Ghanaian capital of Accra, where the U.N. Mission for Ebola Emergency Response, or UNMEER, is based.
Health experts say the key to stopping Ebola is breaking the chain of transmission by tracing and isolating those who have had contact with Ebola patients or victims. Health care workers can't do that if they don't know where new cases are emerging.
"And unfortunately, we don't have good data from a lot of areas. We don't know exactly what is happening," said Banbury, the chief of UNMEER.