1. Science in School  Issue 40: Summer 2017  www.scienceinschool.org
Epidemics on Networks
Summary from VC2: results from trial survey; cholera; spatial spread model
Supporting material for:
Kucharski A et al. (2017) Disease dynamics: understanding the spread of diseases. Science in School 40: 52–56.

2. Social networks Age 4–5 Age 10–11
Science in School  Issue 40: Summer 2017 
Social networks
Age 4–5
Age 10–11
Supporting material for:
Kucharski A et al. (2017) Disease dynamics: understanding the spread of diseases. Science in School 40: 52–56.

3. How does an epidemic spread on a network?
Science in School  Issue 40: Summer 2017 
How does an epidemic spread on a network?
c.f. “The Network Disease” from VC1.
Supporting material for:
Kucharski A et al. (2017) Disease dynamics: understanding the spread of diseases. Science in School 40: 52–56.

4. How does an epidemic spread on a network?
Science in School  Issue 40: Summer 2017 
How does an epidemic spread on a network?
c.f. “The Network Disease” from VC1.
Day 1
Everyone starts off susceptible, apart from one infected person
Supporting material for:
Kucharski A et al. (2017) Disease dynamics: understanding the spread of diseases. Science in School 40: 52–56.

5. How does an epidemic spread on a network?
Science in School  Issue 40: Summer 2017 
How does an epidemic spread on a network?
c.f. “The Network Disease” from VC1.
Day 2
• Go round infected person’s contacts in turn
Supporting material for:
Kucharski A et al. (2017) Disease dynamics: understanding the spread of diseases. Science in School 40: 52–56.

6. How does an epidemic spread on a network?
Science in School  Issue 40: Summer 2017 
How does an epidemic spread on a network?
c.f. “The Network Disease” from VC1.
Day 2
• Go round infected person’s contacts in turn
• Roll dice. If number is 1 or 2, infect that person
Supporting material for:
Kucharski A et al. (2017) Disease dynamics: understanding the spread of diseases. Science in School 40: 52–56.

7. How does an epidemic spread on a network?
Science in School  Issue 40: Summer 2017 
How does an epidemic spread on a network?
c.f. “The Network Disease” from VC1.
Day 2
• Go round infected person’s contacts in turn
• Roll dice. If number is 1 or 2, infect that person
Supporting material for:
Kucharski A et al. (2017) Disease dynamics: understanding the spread of diseases. Science in School 40: 52–56.

8. How does an epidemic spread on a network?
Science in School  Issue 40: Summer 2017 
How does an epidemic spread on a network?
c.f. “The Network Disease” from VC1.
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
Supporting material for:
Kucharski A et al. (2017) Disease dynamics: understanding the spread of diseases. Science in School 40: 52–56.

9. How does an epidemic spread on a network?
Science in School  Issue 40: Summer 2017 
How does an epidemic spread on a network?
c.f. “The Network Disease” from VC1.
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
Supporting material for:
Kucharski A et al. (2017) Disease dynamics: understanding the spread of diseases. Science in School 40: 52–56.

10. How does an epidemic spread on a network?
Science in School  Issue 40: Summer 2017 
How does an epidemic spread on a network?
c.f. “The Network Disease” from VC1.
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
Supporting material for:
Kucharski A et al. (2017) Disease dynamics: understanding the spread of diseases. Science in School 40: 52–56.

11. How does an epidemic spread on a network?
Science in School  Issue 40: Summer 2017 
How does an epidemic spread on a network?
c.f. “The Network Disease” from VC1.
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
Supporting material for:
Kucharski A et al. (2017) Disease dynamics: understanding the spread of diseases. Science in School 40: 52–56.

12. How does an epidemic spread on a network?
Science in School  Issue 40: Summer 2017 
How does an epidemic spread on a network?
c.f. “The Network Disease” from VC1.
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
Supporting material for:
Kucharski A et al. (2017) Disease dynamics: understanding the spread of diseases. Science in School 40: 52–56.

13. How does an epidemic spread on a network?
Science in School  Issue 40: Summer 2017 
How does an epidemic spread on a network?
c.f. “The Network Disease” from VC1.
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
Supporting material for:
Kucharski A et al. (2017) Disease dynamics: understanding the spread of diseases. Science in School 40: 52–56.

14. How does an epidemic spread on a network?
Science in School  Issue 40: Summer 2017 
How does an epidemic spread on a network?
c.f. “The Network Disease” from VC1.
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
Supporting material for:
Kucharski A et al. (2017) Disease dynamics: understanding the spread of diseases. Science in School 40: 52–56.

15. How does an epidemic spread on a network?
Science in School  Issue 40: Summer 2017 
How does an epidemic spread on a network?
c.f. “The Network Disease” from VC1.
Day 3
• Start with two infected people
• For each infected person, roll dice for each contact
Supporting material for:
Kucharski A et al. (2017) Disease dynamics: understanding the spread of diseases. Science in School 40: 52–56.

16. How does an epidemic spread on a network?
Science in School  Issue 40: Summer 2017 
How does an epidemic spread on a network?
c.f. “The Network Disease” from VC1.
Day 3
• Start with two infected people
• For each infected person, roll dice for each contact
Supporting material for:
Kucharski A et al. (2017) Disease dynamics: understanding the spread of diseases. Science in School 40: 52–56.

17. How does an epidemic spread on a network?
Science in School  Issue 40: Summer 2017 
How does an epidemic spread on a network?
c.f. “The Network Disease” from VC1.
Day 3
• Start with two infected people
• For each infected person, roll dice for each contact
Supporting material for:
Kucharski A et al. (2017) Disease dynamics: understanding the spread of diseases. Science in School 40: 52–56.

18. How does an epidemic spread on a network?
Science in School  Issue 40: Summer 2017 
How does an epidemic spread on a network?
c.f. “The Network Disease” from VC1.
Day 3
• Start with two infected people
• For each infected person, roll dice for each contact
Supporting material for:
Kucharski A et al. (2017) Disease dynamics: understanding the spread of diseases. Science in School 40: 52–56.

19. How does an epidemic spread on a network?
Science in School  Issue 40: Summer 2017 
How does an epidemic spread on a network?
c.f. “The Network Disease” from VC1.
Day 3
• Start with two infected people
• For each infected person, roll dice for each contact
Supporting material for:
Kucharski A et al. (2017) Disease dynamics: understanding the spread of diseases. Science in School 40: 52–56.

20. How does an epidemic spread on a network?
Science in School  Issue 40: Summer 2017 
How does an epidemic spread on a network?
c.f. “The Network Disease” from VC1.
Day 3
• Start with two infected people
• For each infected person, roll dice for each contact
Supporting material for:
Kucharski A et al. (2017) Disease dynamics: understanding the spread of diseases. Science in School 40: 52–56.

21. How does an epidemic spread on a network?
Science in School  Issue 40: Summer 2017 
How does an epidemic spread on a network?
c.f. “The Network Disease” from VC1.
Day 3
• Start with two infected people
• For each infected person, roll dice for each contact
Supporting material for:
Kucharski A et al. (2017) Disease dynamics: understanding the spread of diseases. Science in School 40: 52–56.

22. How does an epidemic spread on a network?
Science in School  Issue 40: Summer 2017 
How does an epidemic spread on a network?
c.f. “The Network Disease” from VC1.
Day 3
• Start with two infected people
• For each infected person, roll dice for each contact
Supporting material for:
Kucharski A et al. (2017) Disease dynamics: understanding the spread of diseases. Science in School 40: 52–56.

23. How does an epidemic spread on a network?
Science in School  Issue 40: Summer 2017 
How does an epidemic spread on a network?
c.f. “The Network Disease” from VC1.
Day 3
• Start with two infected people
• For each infected person, roll dice for each contact
Supporting material for:
Kucharski A et al. (2017) Disease dynamics: understanding the spread of diseases. Science in School 40: 52–56.

24. How does an epidemic spread on a network?
Science in School  Issue 40: Summer 2017 
How does an epidemic spread on a network?
c.f. “The Network Disease” from VC1.
Day 3
• Start with two infected people
• For each infected person, roll dice for each contact
Supporting material for:
Kucharski A et al. (2017) Disease dynamics: understanding the spread of diseases. Science in School 40: 52–56.

25. How does an epidemic spread on a network?
Science in School  Issue 40: Summer 2017 
How does an epidemic spread on a network?
c.f. “The Network Disease” from VC1.
Day 3
• Start with two infected people
• For each infected person, roll dice for each contact
Supporting material for:
Kucharski A et al. (2017) Disease dynamics: understanding the spread of diseases. Science in School 40: 52–56.

26. How does an epidemic spread on a network?
Science in School  Issue 40: Summer 2017 
How does an epidemic spread on a network?
c.f. “The Network Disease” from VC1.
Day 3
• Start with two infected people
• For each infected person, roll dice for each contact
Supporting material for:
Kucharski A et al. (2017) Disease dynamics: understanding the spread of diseases. Science in School 40: 52–56.

27. How does an epidemic spread on a network?
Science in School  Issue 40: Summer 2017 
How does an epidemic spread on a network?
c.f. “The Network Disease” from VC1.
Day 4
• Start with two infected people
• Continue until epidemic ends
Supporting material for:
Kucharski A et al. (2017) Disease dynamics: understanding the spread of diseases. Science in School 40: 52–56.