Scrub Typhus Simulation

S_H E_H I_H R_H S_QM I_FM I_AM I_QM S_R I_R Day: 0

📊 Day-Cursor Statistics

Density of Susceptible human(S_H)

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Density of Exposed humans(E_H)

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Density of Infected humans(I_H)

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Density of recovered humans(R_H)

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Density of Infected Questing Mites(I_QM)

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Density of Susceptible Questing Mites(S_QM)

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Density of Infected Feeding Mites(I_FM)

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Density of infected Adult mites (I_AM)

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Density of Susceptible Rodents (S_R)

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Density of Infected Rodents (I_R)

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R₀ Summary + Derived Indicators + Equilibrium auto

R₀ (results)

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from model equations (β, γ, μ, D, φ, F_env…)

Herd immunity threshold

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HIT = 1 − 1/R₀ (if R₀>1)

Peak infected (I_total)

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Day —

Time to peak

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days from Day 0

Duration of infection

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days with I_total > 1

Time endemic starts

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first stable plateau window

Time epidemic starts

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first day I_total > 1

Time epidemic ends

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last day I_total > 1

I_total curve (scaled)

Markers: Peak (red), Endemic start (green), Epidemic start/end (blue/gray)

What-if: vary initial Infected Questing Mites (I_QM) and compare curves

Endemic Equilibrium Point (from equations)

Density of Susceptible humans(S_H)

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Susceptible humans

Density of Exposed humans(E_H)

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Exposed humans

Density of Infected humans(I_H)

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Infected humans

Density of Infected Rodents (R_H

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Recovered humans

Density of Infected Questing Mites (I_QM)

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Infected questing mites

Density of Susceptible Questing Mites(S_QM)

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Susceptible mites

Density of Infected Feeding Mites(I_FM)

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Infected feeding mites

Density of infected Adult mites(I_AM)

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Infected adult mites

Density of Susceptible Rodents (S_R)

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Susceptible rodents

Density of Infected Rodents (I_R)/div>

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Infected rodents