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Science in School  Issue 40: Summer 2017 

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Presentation on theme: "Science in School  Issue 40: Summer 2017 "— Presentation transcript:

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.


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