The latest news on tuberculosis
The disease kills more than a million people worldwide each year.
Much higher levels of antibiotic-resistance genes found at pig farms in study
More lethal and harder to treat tuberculosis has been developing for years all around the world.
Supply of many medications needed to fight drug-resistant disease is often intermittent at best
Millions still contract the infectious disease each year
International study found TB withstanding multiple types of antibiotics
But drug may cause heart-related side effects, so more research needed
But minorities, those not born in the U.S. and HIV-positive patients still most likely affected
They're aimed at shortening, simplifying the regimen used to prevent active disease
Just a few weeks' difference affects survival for the very sick, researchers say