Covid Geographic Diffusion Interactive
How Does a Pandemic Travel? | Do Geography Lab Do Geography Lab · Spatial Diffusion How Does a Pandemic Travel? Follow COVID-19 across the United States, test whether distance predicts its arrival, and discover why a pandemic moves through networks, institutions, and unequal systems of surveillance—not simply across empty space. The central wager If disease spreads from person to person, should the map expand outward like a ripple? COVID-19 offers a rare test because several diffusion processes operated at once. 1. Predict 2. Follow the waves 3. Test distance 4. Build an S-curve 5. Decide A geographical question Which connections matter when something contagious moves among places? Read every map twice Reported cases measure surveillance as well as infection. 01 Prediction Choose your model before seeing the evidence Do not search for a pattern after you already know the answer. Make a prediction that the map can disappoint. ...