epidemiology
noun
ep·i·de·mi·ol·o·gy
ˌe-pə-ˌdē-mē-ˈä-lə-jē 
-ˌde-mē-
1
: a branch of medical science that deals with the incidence, distribution, and control of disease in a population
2
: the sum of the factors controlling the presence or absence of a disease or pathogen
Examples of epidemiology in a Sentence
Recent Examples on the Web
Even so, the findings underscore that prevention is most definitely possible for many people, says Yu Chen, PhD, MPH, an epidemiology professor at the New York University Grossman School of Medicine who wasn’t involved in the new study.
—
Tom Gavin, EverydayHealth.com, 2 Oct. 2025
Presentations include epidemiology, effectiveness, safety and manufacturer updates.
—Andrea Tamayo, Scientific American, 18 Sep. 2025
Anne Rimoin, a professor of epidemiology at the UCLA Fielding School of Public Health and an mpox researcher, says that so far in this mpox emergency, the U.S. has been largely spared — but that may not last.
—Gabrielle Emanuel, NPR, 2 Sep. 2025
An epidemiology grant, which was supposed to be guaranteed through 2026, was shuttered.
—Melissa Brown, The Tennessean, 21 Aug. 2025
See All Example Sentences for epidemiology
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Tom Gavin, EverydayHealth.com, 2 Oct. 2025
Presentations include epidemiology, effectiveness, safety and manufacturer updates.
—Andrea Tamayo, Scientific American, 18 Sep. 2025
Anne Rimoin, a professor of epidemiology at the UCLA Fielding School of Public Health and an mpox researcher, says that so far in this mpox emergency, the U.S. has been largely spared — but that may not last.
—Gabrielle Emanuel, NPR, 2 Sep. 2025
An epidemiology grant, which was supposed to be guaranteed through 2026, was shuttered.
—Melissa Brown, The Tennessean, 21 Aug. 2025
See All Example Sentences for epidemiology
Cite this Entry
“Epidemiology.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/epidemiology. Accessed 4 Nov. 2025.
Copy CitationKids Definition
epidemiology
noun
ep·i·de·mi·ol·o·gy
ˌep-ə-ˌdē-mē-ˈäl-ə-jē
1
: a branch of medical science that deals with the occurrence, distribution, and control of disease in a population
2
: the sum of the factors controlling the presence or absence of a particular disease
Medical Definition
epidemiology
noun
ep·i·de·mi·ol·o·gy
-jē
plural epidemiologies
1
: a branch of medical science that deals with the incidence, distribution, and control of disease in a population
2
: the sum of the factors controlling the presence or absence of a disease or pathogen
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