Disease Detectives
Somewhere, an outbreak is spreading, and no one knows why yet. That's where you come in. Study how real disease detectives crack a case, then prove you can do it too.
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Start here → Step 2🔍 Study
Read a guide below, chapter by chapter.
Step 3🎯 Practice
Test yourself in Mastery Practice. Every answer counts.
Learn it here first. Read each guide before you practice.
The Shoe-Leather Files
A focused guide to Background & Surveillance: epidemiology's history, roles, core vocabulary, and how public health keeps watch.
Chasing the Curve
A focused guide to Outbreak Investigation: study designs, the 10-step checklist, case definitions, epi curves, chain of transmission, and the math behind attack rate, RR & OR.
Stopping the Spread
A focused guide to Patterns, Control & Prevention: picking the right chart, ratio/proportion/rate math, incidence & prevalence, disease control strategies, and the levels of prevention.
📊 Everything below counts toward your Mastery Map. Pick any one and get started.
Your Mastery Map
Sign in and every answer below fills in your map of all 18 topics.
Quickfire
10 random questions, all 3 units. Rookie and Chief Detective timers.
Case Simulations
Five complete outbreaks, start to finish. Pick one and get to work.
The Case Generator
A brand-new outbreak every run: epi curves, 2×2 tables, and RR/OR calculations. Endlessly replayable.
Guess the Pathogen
Name the organism from its symptoms, timing and source, against look-alike answer choices.
Frequency Drill
Calculate rates, name the measure, and spot the mistake.
The Field Exam
A tournament-style practice test: terms, scenarios, short answers and a full case study.
Extra tools when you need them: a reference sheet, vocab drills and more.