Adjacent: Medicine & Systems · Systems
Epidemiology & Public Health
How we know what causes disease in populations: John Snow and cholera, incidence and prevalence, study designs (RCT, cohort, case-control), relative vs absolute risk, R₀ and herd immunity, and the biggest public-health wins.
Step 1 of 6 · Overview30 min read ·
Key idea
Prereqs: Correlation vs causation; Pasteur & germ theory. Next: Navigating the US health system. Sources: Rothman, *Epidemiology: An Introduction* (2nd ed.); CDC 'Ten Great Public Health Achievements' (1999); Crash Course Public Health #6.Next: 1. Origins