Do I need to install anything?

No. It runs in any modern browser, free, with no account required.

For K-12 Students · Epidemic Network

Epidemic Network for a fish population

Built for k-12 students learning it in middle or high school. Watch the idea come alive with plain-language steps and everyday examples — perfect for projects and homework. Simulate a fish population live below — adjust the inputs and watch it respond, right in your browser.

Epidemic on a NetworkLive

agent-based SIR on a contact graph

Controls

Speed1×

Infection spreads along the contact network (red = infected, blue = susceptible, green = recovered). Tune transmission, recovery, and connectivity.

Presets

Transmission β

Recovery γ

Contact radius

▶ Run in Python

Data Inspector

Susceptible0

Infected0

Recovered0

Edges0

Governing equation

R_{0} = \frac{β ⟨ k ⟩}{γ} = \frac{0.06 \times 0.0}{0.01} \approx 0.0

Reading this result: Spread outpaces recovery by 6.0-to-1 — an epidemic grows, but whether it reaches everyone hinges on the contact radius wiring nodes together.

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Frequently asked questions

Is this good for k-12 students?: Yes — this version of "Epidemic Network for a fish population" is framed for k-12 students learning it in middle or high school. Watch the idea come alive with plain-language steps and everyday examples — perfect for projects and homework.
Do I need to install anything?: No. It runs in any modern browser, free, with no account required.