The number of people believed to have been killed by the Ebola virus in Guinea has passed 100, the UN World Health Organization says.
"We fully expect to be engaged in this outbreak for the next two to three to four months before we are comfortable that we are through it," Keija Fukuda, WHO's assistant director-general, said at a news briefing in Geneva, Reuters news agency reports.
http://www.bbc.co.uk/news/world-africa-26941698