Bing found these results
Surveillance - Wikipedia
Surveillance Definition & Meaning - Merriam-Webster
A Brief History of Surveillance in America - Smithsonian Magazine
SURVEILLANCE | English meaning - Cambridge Dictionary
Surveillance in emergencies - World Health Organization (WHO)
The Current State Of Surveillance : 1A : NPR
Introduction to Public Health Surveillance - Centers for Disease ...
SURVEILLANCE Definition & Meaning | Dictionary.com
Spyware and surveillance: Threats to privacy and human rights …
Surveillance | Division of Global Health Protection - CDC