Population Surveillance

**Definition:** Ongoing scrutiny of a population (general population, study population, target population, etc.), generally using methods distinguished by their practicability, uniformity, and frequently their rapidity, rather than by complete accuracy.

**Tree numbers:** - E05.318.308.980.438.700 - N05.715.360.300.800.438.625 - N06.850.520.308.980.438.700 - N06.850.780.675