In an all-day hearing, the agency’s scientists argued against allowing broad access to unproven drugs that the agency had banned three years ago.

A generic version of a breakthrough cystic fibrosis drug, manufactured in Bangladesh for a fraction of the American price, may give some families around the world an unlikely lifeline.

Trials are beginning on several drugs that have shown promise in preliminary studies against the virus that is causing the current outbreak.

The Bundibugyo virus, a little known type, previously had caused just two small outbreaks. Now it’s at the center of a rapidly widening epidemic in Africa.

Clinical trials in China are getting attention at an international oncology gathering in Chicago. China’s surging biotechnology industry is fueling alarm that U.S. dominance in the field is waning.