Primordial prevention is done in a population
Primordial prevention aims at preventing the emergence of risk factors. This is the primary prevention in its purest sense, that is, prevention of emergence or development of risk factors in countries or population groups in which they have not yet appeared. Ref: Park's Textbook of Preventive and Social Medicine; 24th edition - Page no. 45
With risk factors
Without risk factors
With low prevalence of disease
With disease
Concept of health and disease