Epidemiological (adjective)

1. Relating to the study of the patterns, causes, and effects of diseases in populations.
2. Relating to the branch of medicine that deals with the incidence, distribution, and control of diseases in a population.

Origin:

The word epidemiological comes from the greek words "epi" meaning "on" or "upon" and "demos" meaning "people" and "logos" meaning "study of" . .

Examples:

1. An epidemiological study of the outbreak revealed that the disease was spread by contaminated water.
2. Epidemiological data is used to track the spread of infectious diseases.
3. The epidemiological investigation showed that the disease was more common in certain areas.
4. Epidemiological research is important in understanding the causes of diseases.
5. Epidemiological methods are used to study the spread of diseases in populations.