CLINICAL MEDICINE

Detailed explanation-1: -Epidemiology is the study of the determinants, occurrence, and distribution of health and disease in a defined population. Infection is the replication of organisms in host tissue, which may cause disease. A carrier is an individual with no overt disease who harbors infectious organisms.

Detailed explanation-2: -By definition, epidemiology is the study (scientific, systematic, and data-driven) of the distribution (frequency, pattern) and determinants (causes, risk factors) of health-related states and events (not just diseases) in specified populations (neighborhood, school, city, state, country, global).

Detailed explanation-3: -Epidemiology is the branch of medical science that investigates all the factors that determine the presence or absence of diseases and disorders.

Detailed explanation-4: -what is infectious disease epidemiology? Infectious disease epidemiology is the study of how and why infectious diseases emerge and spread among different populations, and what strategies can prevent or contain the spread of disease at the population level.

Detailed explanation-5: -Epidemiology is the study of how often diseases occur in different groups of people and why. Epidemiological information is used to plan and evaluate strategies to prevent illness and as a guide to the management of patients in whom disease has already developed.