Risk
The probability that a harmful health event or outcome will occur.
Glossary A–Z
Published canonical terms. Aliases redirect to canonical pages.
Sample
A selected subset of a population used for analysis or observation.
Sample
A portion drawn from a population for study or testing.
Scale
A standardized set of values or response options used to measure a variable.
Screening
The systematic testing or assessment of people to identify disease or risk early.
Sociodemographic
Relating to the combined social and demographic characteristics of individuals or groups.
Standard
A reference level or accepted benchmark used for comparison or evaluation.
Surveillance
Ongoing systematic collection and interpretation of health data.
Survey
A systematic method for collecting information from a defined sample.
Symptom
A subjective indication of disease or change in health status.
Transmission
The spread of an infectious agent from one host, source, or place to another.
Vaccine
A biological preparation that stimulates immune protection against a disease.
Variable
A characteristic or factor that can take different values in an analysis.
Virus
A microscopic infectious agent that replicates inside living host cells.