PPolySim OS
For Educators · Epidemic Network

Epidemic Network for a vaccine rollout

Built for educators teaching it to a class. Drop a live demo into a lecture or assign it as a shareable link — no lab installs. Simulate a vaccine rollout live below — adjust the inputs and watch it respond, right in your browser.

Epidemic on a NetworkLive

Controls

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

Presets

▶ Run in Python

Data Inspector

Susceptible0
Infected0
Recovered0
Edges0

Governing equation

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.

Runs locally in your browser — free forever. Scale to the cloud when reality gets heavy.

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More with Epidemic Network

Frequently asked questions

Is this good for educators?
Yes — this version of "Epidemic Network for a vaccine rollout" is framed for educators teaching it to a class. Drop a live demo into a lecture or assign it as a shareable link — no lab installs.
Do I need to install anything?
No. It runs in any modern browser, free, with no account required.