Sarah Fortune

Like a detective on the hunt, researcher and Nifty Fifty Speaker Sarah Fortune is trying to figure out how Mycobacterium tuberculosis - the bacterium that causes tuberculosis (TB) - is able to defend itself so well against drug treatment and the body's immune system. The challenge is a daunting one. As much as one-third of the world's population is infected with Mycobacterium tuberculosis, yet relatively little is known about how the organism manages to persist for so long, sometimes for decades, in so many people. Though tuberculosis can be fatal, in most cases the immune system controls…