Epidemiology is the scientific study of those influences that govern and affect the occurrence and pattern of spread of illness, and other health phenomena, and their etiologies, for a specific population. The aim of this science is to find initiatives that can prevent and stymie the progression and propagation of these diseases, and associated phenomena 1.
- attack rate
- basic reproductive number (R0)
- case fatality rate
- effective reproductive number (R)
- incubation period
- mortality rate
- opportunistic infection
History and etymology
The term epidemiology is derived from the roots 'epidemic' and '-logy'. Epidemic is ultimately derived from the Classical Greek, ἐπί (epi) meaning "near/upon/above" and δῆμος (demos) meaning "people". '-logy' is a combining form meaning the scientific study of, itself ultimately derived from the Greek word λογος (logos) meaning word 2-4.
- 1. William Alexander Newman Dorland. Dorland's Illustrated Medical Dictionary. (2018) ISBN: 9781416023647
- 2. Robert K. Barnhart, Sol Steinmetz. Chambers Dictionary of Etymology. (1999) ISBN: 9780550142306
- 3. Ian Brookes. The Chambers Dictionary. (2018) ISBN: 9780550101853
- 4. James Morwood, John Taylor. Pocket Oxford Classical Greek Dictionary. (2002) ISBN: 9780198605126
Related Radiopaedia articles
Terms used in radiology