Molecular Screening Is Now Being Used to Detect Individuals with Early

Molecular screening is now being used to detect individuals with early stages of TB because:

A) skin testing is unreliable and needs refrigeration that many countries may not have
B) vaccination with Bacille Calmette-Guérin does not protect against multidrug resistance
C) many countries do not have disposable needles for skin testing
D) it can detect infection earlier than chest X-ray and sputum sampling
E) it can be used more safely on children with the disease