a case of the deadly ebolla virus confirmed in africa's most popular nation. in nigeria said a libyan man was carrying the disease. the ebolla epidemic is three times bigger than any outbreak of the virus ever recorded. as michael holmes reports, it will take time before officials can bring the situation under control. >> it is the worst ebolla outbreak in history and it continues to wreak havoc across africa. there has been 660 deaths from the disease since march and there is no sign of it slowing down. >> it's going to be several months before we are able to get a grip on the epidemic and this outbreak and reduce the numbers of cases. >> the number of cases is nearly 1100. most of those in guinea where the outbreak originated. 314 people died there so far. 219 is not immune. 39-year-old doctor khan contracted the disease. the brave physician treated more than 100 ebolla patients from sierra leon. he is quarantined. fear has gripped the affected communities and some people proclaimed it is a punishment for past sins while other local leaders have spread rumor