Network
SIR Parameters
R₀ = 3.00
S: 0 | I: 0 | R: 0
SIR Dynamics
S
I
R
Threshold: epidemic takes off when R₀ = β⟨k⟩/γ > 1. Scale-free networks (BA) have lower effective threshold due to hubs.
SIR model on configurable networks. Epidemic threshold: R₀ = β/γ · ⟨k⟩. Watch the phase transition.