HealthPlague never went away – now it could re-emerge in drug-resistant form Plague may seem like an ancient disease, but the bacterium that causes it persists in rodents and fleas around the world. Researchers are warning that it could resurface in a form that our antibiotics can't treat and cause another pandemic Features
HealthThe surprising, ancient origins of TB, humanity's most deadly disease New developments in a 10,000-year-old cold case have upended our ideas about how and when tuberculosis began infecting humans – and offered hope for a better vaccine Features