Africa

At a WHO meeting, participants clash over the ethics of using a randomized controlled study in West Africa

2007 study of outbreak in Uganda offers most detailed clues to how virus is transmitted

Senga Omeonga, a physician, survived Ebola. Nine of his co-workers did not

Nancy Writebol, one of the world's most famous Ebola patients, discusses how she became infected

Experts gather at WHO to discuss how to use vaccines in the outbreak in West Africa

Without massive, fast surge in support, outbreak could top a million cases by 20 January

Record number of countries agree that the epidemic is a threat to peace and security

Ebola scientist Heinz Feldmann tested blood samples at a Liberian treatment center

President Barack Obama and U.S. Senate commit to help West Africa wallop the virus

Scaling up production of Ebola vaccines and treatments will take many months

President Barack Obama expected to announce major new efforts to help West African countries treat and contain the disease

Tiny island nation will send 165 doctors and nurses to Sierra Leone

American clinician says health workers in Monrovia were hoping for more

Numbers are hard to come by, leading to dramatically different estimates

"Conventional Ebola control interventions are not having an adequate impact"

By wiping out native species, an immigrant unleashes a cascade of ecological damage