WOLFRAM SYSTEMMODELER

Flu

Model of an influenza epidemic

Diagram

Wolfram Language

In[1]:=
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SystemModel["SystemDynamics.IntroductoryExamples.Influenza.Flu"]
Out[1]:=

Information

The influenza model describes the outbreak of an influenza epidemic. The model was adapted from the STELLA manual.


References:

  1. Richmond, B., S. Peterson, and P. Vescuso (1987), An Academic User's Guide to STELLA, High Performance Systems, Inc., Lyme, N.H.


Simulate the model across 52 time units and plot the four populations:

Outputs (4)

Non_inf_pop

Type: Real

Description: Non-infected population

Inf_pop

Type: Real

Description: Infected population

Sick_pop

Type: Real

Description: Sick population

Immune_pop

Type: Real

Description: Immune population

Components (21)

Non_infected

Type: Level

Infection

Type: Rate_1

Infected

Type: Level

Incubation

Type: Rate_1

Sick

Type: Level

Infection_Rate1

Type: Infection_Rate

Prod_4_1

Type: Prod_4

Contacts

Type: Const

Contraction

Type: Const

Incubation_rate

Type: Rate_equation

Time_to_Breakdown

Type: Const

Contagious

Type: Add

Perc_Infected

Type: Division

Total_Pop

Type: Add3

Immune

Type: Level

Cure

Type: Rate_1

Cure_rate

Type: Rate_equation

Sick_Duration

Type: Const

Immune_Period

Type: Const

Activation

Type: Rate_1

Activation_rate

Type: Rate_equation