text: The most cost-effective method to prevent<unk>  is avoidance of exposure through primary and secondary prevention.
option_0: Pneumoconiosis cost-effectiveness of therapy
option_1: Pneumonia cost-effectiveness of therapy
option_2: Bacterial pneumonia cost-effectiveness of therapy
option_3: Multi-drug-resistant tuberculosis cost-effectiveness of therapy
option_4: Hospital-acquired pneumonia cost-effectiveness of therapy
option_5: Tuberculosis cost-effectiveness of therapy
option_6: Coccidioidomycosis cost-effectiveness of therapy
option_7: Tuberculosis future or investigational therapies