Tuberculosis Made Easy

Tuberculosis (TB) is a contageous infection that is caused by a bacterium called Mycobacterium tuberculosis. One third of the world population has been infected with TB and it caused over 1.5 million deaths in 2010.  We don't hear as much about TB in the developed world but new infections in third world countries occur at a rate of about 1 per second.    Risk factors for TB are:

A weakened