Medicine: Sharper Tool

In the long war against the white plague, medicine's two most useful search tools have had a grave defect. Chest X rays and the tuberculin skin test both indicate whether the patient has ever had tuberculosis, but the skin test does not show—and X rays show only imperfectly —whether the disease is still active. Last week, doctors all over the U.S. were calling New York for details of a new, simple test which indicates how active the tubercle bacilli are in the patient's system at the time the test is made.

The basic technique...

Want the full story?

Subscribe Now


Get TIME the way you want it

  • One Week Digital Pass — $4.99
  • Monthly Pay-As-You-Go DIGITAL ACCESS$2.99
  • One Year ALL ACCESSJust $30!   Best Deal!
    Print Magazine + Digital Edition + Subscriber-only Content on

Learn more about the benefits of being a TIME subscriber

If you are already a subscriber sign up — registration is free!