NEET BIOLOGY

Detailed explanation-1: -Epidemiology is the study of patterns of disease in the population. By understanding the patterns of foodborne disease, we can learn about the factors that affect disease occurrence and improve prevention and control efforts.

Detailed explanation-2: -Epidemiology is the study of the determinants, occurrence, and distribution of health and disease in a defined population.

Detailed explanation-3: -In an observational cohort study, subjects are enrolled or grouped on the basis of their exposure, then are followed to document occurrence of disease. Differences in disease rates between the exposed and unexposed groups lead investigators to conclude that exposure is associated with disease.

Detailed explanation-4: -Epidemiology may be defined as the study of the distribution of health and disease in groups of people and the study of the factors that influence this distribution.