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Analytic epidemiological studies (view source)
Revision as of 17:55, 8 December 2010
, 17:55, 8 December 2010no edit summary
==Host factors==
==Host factors==
These include unchanging characteristics of the host animal such as sex, breed or species, as well as more variable characteristics such as age, nutritional status and stage of pregnancy.
==Agent factors==
==Agent factors==
Features of the agent which affect the levels of disease within an infected population
==Environment factors==
==Environment factors==
==Analytic studies==
Analytic studies may investigate exposure to these factors in animals with disease, compared to those without, or may compare the occurrence of disease amongst 'exposed' animals to 'unexposed' animals. Although there are considerable difficulties in establishing causation of disease, the results of these studies can provide useful evidence regarding possible risk factors.
[[Category:Veterinary Epidemiology - Introduction|D]]
[[Category:Veterinary Epidemiology - Introduction|D]]