-jē noun
( -es )
Etymology: International Scientific Vocabulary epidemio- (from Late Latin epidemia ) + -logy
1. : a science that deals with the incidence, distribution, and control of disease in a population (as of animals or plants)
2. : the sum of the factors controlling the presence or absence of a disease or pathogen
the epidemiology of the common cold
: the ecology of a disease or pathogen