DNA Test Can Quickly Diagnose TB

Researchers have developed a new way of diagnosing tuberculosis. The new DNA-based test has advantages over 19th century diagnostic methods that are still in use. Tuberculosis is an infectious disease that is especially common in low- and middle-income countries. The World Health Organization says it kills more than a million people a year. The diagnosis of tuberculosis hasn’t changed much since the 1880s. A sputum specimen coughed up by the patient is examined under a microscope, and...

© La Voix de l'Amérique - mercredi 24 septembre 2014