Pandemic
An epidemic that spreads across multiple countries or continents.
Glossary A–Z
Published canonical terms. Aliases redirect to canonical pages.
Perception
The way a person interprets or understands a health-related issue or risk.
Population
The total group of individuals under study or living in a defined area.
Positivity
The state of having a positive test or marker result for a condition or pathogen.
Prevalence
The proportion of a population that has a condition at a specified time.