MLS 051 SAS 3

Epidemology is derived from

epi

demos

logos

the science or knowledge of the natural history of disease.

the science of the mass-phenomenon of infectious diseases, or as the natural history of infectious diseases

concerned not merely with describing the distribution of diseasem but equally or more fitting into a consistent philosophy

the science of the infective disease, their prime causes, propagation and prevention

the study of the distribution and determinants of disease frequency in man

a field of science which is concerned with the various factors and conditions that determine the occurence and distribution of health, disease, dfect, disability, and death among group of individuals