- The collection, collation, analysis, and dissemination of data; a type of observational study that involves continuous monitoring of disease occurrence within a population.
- Ongoing scrutiny, generally using methods distinguished by practicability, uniformity, or rapidity, rather than complete accuracy.
[Fr. surveiller, to watch over, fr. L. super- + vigilo, to watch]
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Examples: glitazone, GI cocktail, etc.