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Aurelian is the editorial voice of Prudentia Analytics' educational publications. The series is written and reviewed by Dr. Vicente Rusca Blizzard, physician, epidemiologist, and founder of Prudentia Analytics. Drawing on professional experience in hospital epidemiology, infection prevention, and public health, Aurelian's mission is to make complex epidemiologic concepts practical, accessible, and useful for healthcare professionals and decision-makers.

Epidemiologic Silence: When No Reports Do Not Mean No Disease

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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

Surveillance vs. Research: Same Data, Different Purpose

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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