- Cattle infected with bovine tuberculosis are spreading infections to humans
- Eating unpasteurized milk products form infected herds is a prime source of infection
- Living and working in close proximity to infected animals also puts humans at risk
Vital Signs is a monthly program bringing viewers health stories from around the world.
(CNN)In 2014, an estimated 9.6 million people were infected by tuberculosis, according to the World Health Organization. Potentially fatal -- 1.5 million died from it the same year -- it is a disease known to be spread from human to human. But a subset of those contracting the disease today are getting it from infected animals.