
Our most daunting global health crisis is a pernicious, wasting disease that can be spread by a simple cough or sneeze and has been infecting humans since 4,000 B.C.
Tuberculosis (TB) — a treatable and curable condition — continues to grow in prevalence, mostly in the developing world, but even in pockets throughout Europe. The World Health Organization (WHO) has declared it a global health emergency.
But it’s the drug-resistant forms of the disease, MDR-TB (multidrug-resistant) and XDR-TB (extensively drug-resistant) — which are constantly mutating and require treatments so onerous that nearly one-third of all patients die — that pose the most serious cause for concern.
Drug-resistant TB is thriving because we have failed to adequately detect and treat ordinary TB. This is, sadly, a problem of our own


