Aurelian’s Surveillance Files Field Note #2 — Epidemiologic Silence One of the most dangerous messages a surveillance system can send is silence—not because silence proves there is no disease, but because it may conceal the absence of reporting. Last week, we explored the difference between surveillance and research, emphasizing that surveillance exists to support timely … Read more

Aurelian’s Surveillance Files Field Note #1 Collecting data is only the beginning. What matters is understanding why we collect it—and what we intend to do with it. One of the most common misunderstandings in healthcare is the belief that surveillance and research are essentially the same thing. They are not. Both involve collecting, analyzing, and … Read more