Aug 21, 2014 — The World Health Organization says the official number of Ebola cases and deaths may "vastly underestimate" the scale of the outbreak. So how bad is it really?
Aug 16, 2014 — The virus has been in the headlines since March, but both in Africa and the rest of the world, there's a lot of confusion. Take our Ebola quiz to see if you've kept up with all the twists and turns.
Aug 14, 2014 — As the Ebola outbreak rages in West Africa, it is also unfolding — in a virtual sense — inside the computers of scientists trying to predict how far the outbreak will spread and when it will end.
Aug 8, 2014 — Ebola is spreading faster than efforts to stop it in West Africa, the World Health Organization says. Places hardest hit don't have enough doctors, nurses and medical equipment to contain the virus.
Aug 6, 2014 — The death toll in the Ebola outbreak has climbed above 900. In response, the World Health Organization will look into whether it's ethical to use experimental medicines in the outbreak.
Aug 1, 2014 — Two Americans infected with Ebola in West Africa are flying to Atlanta. They will be the first patients treated for the disease in the U.S. What's the risk of Ebola spreading during the transport?
Jul 30, 2014 — Hailed as a "national hero," Dr. Sheik Umar Khan had treated more than 100 Ebola patients before catching the virus himself last week.
Jul 29, 2014 — After caring for Ebola patients for several months in West Africa, Dr. Kent Brantly noticed last week that he had symptoms. The 33-year-old immediately put himself into a Liberian isolation ward.
Jul 28, 2014 — The largest Ebola outbreak in history continues to grow. There have been more than 1,200 cases reported. And the virus has likely spread to Africa's most populous city, Lagos.
Jul 23, 2014 — Hailed as a "national hero," Dr. Sheik Umar Khan has treated more than 100 Ebola patients in Sierra Leone. Now the 39-year-old is fighting for his life in an isolation ward.