1. Epidemics on Networks

2. Social networks Age 4–5Age 10–11

3. Romantic network in US high school

4. How does an epidemic spread on a network?

5. Everyone starts off susceptible, apart from one infected person Day 1 How does an epidemic spread on a network?

6. Go round infected person’s contacts in turn Day 2 How does an epidemic spread on a network?

7. Go round infected person’s contacts in turn Roll dice. If number is 1 or 2, infect that person Day 2 How does an epidemic spread on a network?

8. Go round infected person’s contacts in turn Roll dice. If number is 1 or 2, infect that person Day 2 How does an epidemic spread on a network?

9. Go round infected person’s contacts in turn Roll dice. If number is 1 or 2, infect that person Continue for all contacts Day 2 How does an epidemic spread on a network?

10. Go round infected person’s contacts in turn Roll dice. If number is 1 or 2, infect that person Continue for all contacts Day 2 How does an epidemic spread on a network?

11. Go round infected person’s contacts in turn Roll dice. If number is 1 or 2, infect that person Continue for all contacts Day 2 How does an epidemic spread on a network?

12. Go round infected person’s contacts in turn Roll dice. If number is 1 or 2, infect that person Continue for all contacts Day 2 How does an epidemic spread on a network?

13. Go round infected person’s contacts in turn Roll dice. If number is 1 or 2, infect that person Continue for all contacts Day 2 How does an epidemic spread on a network?

14. 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 Day 2 How does an epidemic spread on a network?

15. 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 Day 2 How does an epidemic spread on a network?

16. Start with two infected people For each infected person, roll dice for each contact Day 3 How does an epidemic spread on a network?

17. Start with two infected people For each infected person, roll dice for each contact Day 3 How does an epidemic spread on a network?

18. Start with two infected people For each infected person, roll dice for each contact Day 3 How does an epidemic spread on a network?

19. Start with two infected people For each infected person, roll dice for each contact Day 3 How does an epidemic spread on a network?

20. Start with two infected people For each infected person, roll dice for each contact Day 3 How does an epidemic spread on a network?

21. Start with two infected people For each infected person, roll dice for each contact Day 3 How does an epidemic spread on a network?

22. Start with two infected people For each infected person, roll dice for each contact Day 3 How does an epidemic spread on a network?

23. Start with two infected people For each infected person, roll dice for each contact Day 3 How does an epidemic spread on a network?

24. Start with two infected people For each infected person, roll dice for each contact Day 3 How does an epidemic spread on a network?

25. Start with two infected people For each infected person, roll dice for each contact Day 3 How does an epidemic spread on a network?

26. Start with two infected people For each infected person, roll dice for each contact Day 3 How does an epidemic spread on a network?

27. Start with two infected people For each infected person, roll dice for each contact Day 3 How does an epidemic spread on a network?

28. Start with two infected people Continue until epidemic ends Day 4 How does an epidemic spread on a network?