Origin: Greek suffix -ology
Epidemiology has 2 different meanings across 1 category:
the branch of medical science dealing with the transmission and control of disease
"Epidemiologists study how diseases spread through populations to develop effective prevention strategies."
The branch of science dealing with the spread and control of diseases, viruses, concepts etc. throughout populations or systems.
"Epidemiologists study how a new virus spreads through communities to develop effective control measures."
In plain English: Epidemiology is the study of how diseases spread through groups of people and why they happen more often in some places than others.
"Doctors study epidemiology to understand how diseases spread through populations."
Usage: Epidemiology is specifically used to study patterns and causes of disease in large groups rather than individual patients. It focuses on tracking how illnesses spread through communities to help develop effective prevention strategies.
The word epidemiology comes from Late Latin, combining epidemia with the suffix -logy. It entered English to describe the study of diseases that spread quickly through a population.