No vaccine existed for the lethal, highly transmissible virus.

Expert warnings provide more important reasons to be vaccinated.

Some patients feel stigma, fear transmission to family.

Researchers track the changing epidemiology of a leading patient killer.

Healthcare infections kill more than 75,000 patients a year.

U.S. healthcare facilities advised to watch for connections to cases in the DRC.

A threat to frail patients, Candida auris is difficult to eradicate.

CDC: Suicide rate fourfold greater than male vets

New study shows depression is a leading cause of medical errors