A mobile clinic used to screen coal miners at risk of black lung disease * Mass<unk>  The<unk> of a whole population or subgroup. It is offered to all, irrespective of the risk status of the individual. * High risk or selective<unk>  High risk<unk> is conducted only among high-risk people. * Multiphasic<unk>  The application of two or more<unk> tests to a large population at one time, instead of carrying out separate<unk> tests for single diseases. * When done thoughtfully and based on research, identification of risk factors can be a strategy for medical<unk>
Screening 
Immunity passport
Risk panel
Disease surveillance
Nutritional rating systems
Cancer screening
Risk assessment
Public health surveillance