Agent Based Model of the Spread of a Virus

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• Agent Based Model of the Spread of a Virus
• Matt Wade

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Purpose

• To determine if staying home because you are sick
  and might spread the disease is a valid excuse

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Inputs

• Number of sick and healthy agents
• Type of sickness
• Infectiousness of the sickness
• Number of different classes
• Length of sickness

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Outputs

• Number of infections and recoveries
• Number of sick and healthy agents
• Picture showing location of each agent and status

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Current State

• Current GUI
• Will eventually have picture below with locations
  of agents
• Will also have more options and ability to add
  multiple agents at once

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First Version of checkinfection()?
Inside of for loops
if(healthyagents.get(x).getPos()sickagents.get(y
).getPos())? if(Math.random()lt(sickagents.get(y
).getInfectionPercent()))? if(inArray(posinfe
cted,tempnuminfected,x)false)? posinfecte
dtempnuminfectedx tempnuminfected num
infections //switched agent from healthy to
sick here
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Fixed checkinfection()?
Inside of the first for loop for checkinfection()?
for(int x0xlttempnuminfectedx)
System.out.println("stuff") sickagents.add(n
ew SickAgent(numclasses,healthyagents.get(posinfe
ctedx).getSchedule(),period)) healthyagents.re
move(posinfectedx) numhealthy-- numsick
for(int yxylttempnuminfectedy)? if(posinfect
edygtposinfectedx)? posinfectedy--
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checkrecovery()?
public void checkrecovery()? for(int
x0xltnumsickx)? if(sickagents.get(x).getI
nfectionTime()0)? healthyagents.add(new
HealthyAgent(numclasses,sickagents.get(x).getSch
edule(),period)) sickagents.remove(x) numrec
overies numsick-- numhealthy
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SickAgent
public SickAgent(int numclasses) schedulenew
int8 for(int x0 xlt8x)?
schedulex(int)(Math.random()numclasses
) myposschedule0
infectionpercent5 infectiontime82

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Results

• According to my program in its current state
  everyone will be pretty much permanently sick
• When starting with 30 healthy and 1 sick agent
  they were all sick within 4 steps
• Arbitrarily choosing the chance of infection does
  not give good results