Search Result for "surveillance of disease":
Wordnet 3.0

NOUN (1)

1. the ongoing systematic collection and analysis of data about an infectious disease that can lead to action being taken to control or prevent the disease; 



WordNet (r) 3.0 (2006):

surveillance of disease
    n 1: the ongoing systematic collection and analysis of data
         about an infectious disease that can lead to action being
         taken to control or prevent the disease