Ernst: It certainly fell from the American consciousness, at least most of American's consciousness, after about the 1950s or so. Tuberculosis sanitaria were closed because they weren't necessary anymore. Anti-tuberculosis treatment was given as an outpatient and most people with tuberculosis who received those drugs were cured.
Narrator: Today however, stealthy strains of the microbe that causes TB, have brought the disease back to pre-antibiotic days in many parts of the world, including New York and other parts of this country.
Ernst: The best chance of defeating it is going to be through the development of a more effective vaccine.
Narrator: For Science Today, I'm Larissa Branin.