Epidemics on Networks and Social Interactions
Epidemics on Networks
Social networks
Age 4–5
Age 10–11
Romantic network in US high school
How does an epidemic spread on a network?
Everyone starts off
susceptible
, apart from one
infected
person
D
a
y
1
How does an epidemic spread on a network?
• Go round infected person’s contacts in turn
D
a
y
2
How does an epidemic spread on a network?
• Go round infected person’s contacts in turn
• Roll dice. If number is 1 or 2, infect that person
D
a
y
2
How does an epidemic spread on a network?
• Go round infected person’s contacts in turn
• Roll dice. If number is 1 or 2, infect that person
D
a
y
2
How does an epidemic spread on a network?
• Go round infected person’s contacts in turn
• Roll dice. If number is 1 or 2, infect that person
• Continue for all contacts
D
a
y
2
How does an epidemic spread on a network?
• Go round infected person’s contacts in turn
• Roll dice. If number is 1 or 2, infect that person
• Continue for all contacts
D
a
y
2
How does an epidemic spread on a network?
• Go round infected person’s contacts in turn
• Roll dice. If number is 1 or 2, infect that person
• Continue for all contacts
D
a
y
2
How does an epidemic spread on a network?
• Go round infected person’s contacts in turn
• Roll dice. If number is 1 or 2, infect that person
• Continue for all contacts
D
a
y
2
How does an epidemic spread on a network?
• Go round infected person’s contacts in turn
• Roll dice. If number is 1 or 2, infect that person
• Continue for all contacts
D
a
y
2
How does an epidemic spread on a network?
• Go round infected person’s contacts in turn
• Roll dice. If number is 1 or 2, infect that person
• Continue for all contacts, then infected person recovers
D
a
y
2
How does an epidemic spread on a network?
• Go round infected person’s contacts in turn
• Roll dice. If number is 1 or 2, infect that person
• Continue for all contacts, then infected person recovers
D
a
y
2
How does an epidemic spread on a network?
• Start with two infected people
• For each infected person, roll dice for each contact
D
a
y
3
How does an epidemic spread on a network?
• Start with two infected people
• For each infected person, roll dice for each contact
D
a
y
3
How does an epidemic spread on a network?
• Start with two infected people
• For each infected person, roll dice for each contact
D
a
y
3
How does an epidemic spread on a network?
• Start with two infected people
• For each infected person, roll dice for each contact
D
a
y
3
How does an epidemic spread on a network?
• Start with two infected people
• For each infected person, roll dice for each contact
D
a
y
3
How does an epidemic spread on a network?
• Start with two infected people
• For each infected person, roll dice for each contact
D
a
y
3
How does an epidemic spread on a network?
• Start with two infected people
• For each infected person, roll dice for each contact
D
a
y
3
How does an epidemic spread on a network?
• Start with two infected people
• For each infected person, roll dice for each contact
D
a
y
3
How does an epidemic spread on a network?
• Start with two infected people
• For each infected person, roll dice for each contact
D
a
y
3
How does an epidemic spread on a network?
• Start with two infected people
• For each infected person, roll dice for each contact
D
a
y
3
How does an epidemic spread on a network?
• Start with two infected people
• For each infected person, roll dice for each contact
D
a
y
3
How does an epidemic spread on a network?
• Start with two infected people
• For each infected person, roll dice for each contact
D
a
y
3
How does an epidemic spread on a network?
• Start with two infected people
• Continue until epidemic ends
D
a
y
4
How does an epidemic spread on a network?
Summary from VC2: results from trial survey; cholera; spatial spread model
Dive into the dynamics of epidemics spreading on networks and explore the interconnected web of social interactions in various settings, from romantic networks in high school to the contagious nature of epidemics. Learn how infections move through networks, starting from a single point and spreading through contacts, portraying a visual representation of the diffusion process.
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Presentation Transcript
Social networks Age 4 5 Age 10 11
How does an epidemic spread on a network? Day 1 Everyone starts off susceptible, apart from one infected person
How does an epidemic spread on a network? Day 2 Go round infected person s contacts in turn
How does an epidemic spread on a network? Day 2 Go round infected person s contacts in turn Roll dice. If number is 1 or 2, infect that person
How does an epidemic spread on a network? Day 2 Go round infected person s contacts in turn Roll dice. If number is 1 or 2, infect that person
How does an epidemic spread on a network? Day 2 Go round infected person s contacts in turn Roll dice. If number is 1 or 2, infect that person Continue for all contacts
How does an epidemic spread on a network? Day 2 Go round infected person s contacts in turn Roll dice. If number is 1 or 2, infect that person Continue for all contacts
How does an epidemic spread on a network? Day 2 Go round infected person s contacts in turn Roll dice. If number is 1 or 2, infect that person Continue for all contacts
How does an epidemic spread on a network? Day 2 Go round infected person s contacts in turn Roll dice. If number is 1 or 2, infect that person Continue for all contacts
How does an epidemic spread on a network? Day 2 Go round infected person s contacts in turn Roll dice. If number is 1 or 2, infect that person Continue for all contacts
How does an epidemic spread on a network? Day 2 Go round infected person s contacts in turn Roll dice. If number is 1 or 2, infect that person Continue for all contacts, then infected person recovers
How does an epidemic spread on a network? Day 2 Go round infected person s contacts in turn Roll dice. If number is 1 or 2, infect that person Continue for all contacts, then infected person recovers
How does an epidemic spread on a network? Day 3 Start with two infected people For each infected person, roll dice for each contact
How does an epidemic spread on a network? Day 3 Start with two infected people For each infected person, roll dice for each contact
How does an epidemic spread on a network? Day 3 Start with two infected people For each infected person, roll dice for each contact
How does an epidemic spread on a network? Day 3 Start with two infected people For each infected person, roll dice for each contact
How does an epidemic spread on a network? Day 3 Start with two infected people For each infected person, roll dice for each contact
How does an epidemic spread on a network? Day 3 Start with two infected people For each infected person, roll dice for each contact
How does an epidemic spread on a network? Day 3 Start with two infected people For each infected person, roll dice for each contact
How does an epidemic spread on a network? Day 3 Start with two infected people For each infected person, roll dice for each contact
How does an epidemic spread on a network? Day 3 Start with two infected people For each infected person, roll dice for each contact
How does an epidemic spread on a network? Day 3 Start with two infected people For each infected person, roll dice for each contact
How does an epidemic spread on a network? Day 3 Start with two infected people For each infected person, roll dice for each contact
How does an epidemic spread on a network? Day 3 Start with two infected people For each infected person, roll dice for each contact
How does an epidemic spread on a network? Day 4 Start with two infected people Continue until epidemic ends
