epidemiology

IPA/ˌepɪˌdiːmiˈɒlədʒi/
KK[ˌɛpədˌɛmiˈɑlədʒi]IPA/ˌepɪˌdiːmiˈɑːlədʒi/

epidemiology — noun

1. the science of tracking how illnesses start, move through communities, and can b

1.nounB2
Definition

the science of tracking how illnesses start, move through communities, and can be reduced or stopped

Example

Dr. Kofi Mensah used epidemiology to show that the water supply was the source of the stomach illness.

collocation: epidemiology + to show / used + epidemiology + to + verb

Students in the epidemiology course studied maps of last year's flu cases to learn how the virus traveled.

noun modifier: epidemiology course

Common collocations
  • the epidemiology of + [disease/condition]
  • epidemiological study / research / data
  • field epidemiology
  • epidemiology unit / department
Synonyms

Grammar Patterns

the epidemiology of + [disease]

Usage Note

Uncountable noun. Often appears in the pattern 'the epidemiology of [a specific disease]' to describe the study focused on that condition. The related adjective is 'epidemiological' (e.g., 'epidemiological data').

Common Mistakes

The epidemiology of the region was declared a disaster.
The epidemic in the region was declared a disaster.
'epidemiology' is the scientific study of disease patterns; 'epidemic' is the actual outbreak itself.

Word family

  • epidemiologist
    nounC1
  • epidemiological
    adjectiveC1
  • epidemiologically
    adverbC1

Synonym discussion

Sense: noun/1

While 'epidemiology' is the formal academic term for the study of disease patterns in populations, 'disease tracking' is an informal equivalent that non-specialists use to describe the same activity, such as following a virus through a city. 'Public health science' covers a much wider field, including nutrition, sanitation, and health policy — epidemiology is just one tool within it. 'Disease surveillance' is a narrower process within epidemiology: the ongoing collection and analysis of health data to detect outbreaks early. For example, a public health department uses disease surveillance to spot a rise in flu cases, and epidemiologists then investigate the causes — which is the work of epidemiology.

disease trackingpublic health sciencedisease surveillance

Common collocations

Nouns

Phrases

  • the epidemiology of [disease]
  • field of epidemiology
  • study of epidemiology

Prepositions

Etymology

GreekEnglish

Epidemiology comes from the Greek words 'epidēmios' (among the people, from 'epi-' meaning 'upon' and 'dēmos' meaning 'people') and 'logos' (study, discourse). The term was first used in English in the mid-1800s as doctors began to scientifically investigate how diseases spread through communities rather than treating only individual patients.