Dr. Griffey first diagnosed pneumonia, but his thoughts turned to TB when a follow-up X-ray showed a dense spot on her lung.

WSJ: TB's Global Resurgence Amplifies U.S. Risk

"Being a small-town doctor in Tennessee, TB is not really on your radar screen, " Dr. Griffey said.

WSJ: TB's Global Resurgence Amplifies U.S. Risk

Many health care systems in these nations don't have the resources, drugs and diagnostics to effectively deal with the disease, according to Dr. Mel Spigelman, director of research and development at the not-for-profit Global Alliance for TB Drug Development (TB Alliance).

CNN: The story