epidemicPublic HealthA disease outbreak affecting a large number of people in a particular population, community, or region.Learn about this termUnit 14: climate zoonosisPublic HealthRelated TermspandemicAn epidemic that spreads across multiple countries or contin...eradicationThe permanent elimination of a disease worldwide; smallpox i...miasma theoryThe historical theory that diseases were caused by "bad air"...germ theoryThe theory that microorganisms cause infectious diseases. De...