1. How does disease spread? People spread diseases.

2. How can you stop diseases spreading?

3. Human mobility networks, travel restrictions and the global spread of 2009 H1N1 pandemic Paolo Bajardi, Chiara Poletto, Jose J Ramasco, Michele Tizzoni, Vittoria Colizza, Alessandro Vespignani PLoS ONE 6(1): e16591 (2011). The transmission of swine flu This is how Swine Flu spread across the world. How did it spread so far?

4. The transmission of swine flu These are predictions of the number of cases of swine flu What caused the dip in the number of cases? Health Protection Agency modelling Baguelin et al, 2010

5. 7 6 8 9 3 5 2 1 4 10 11 12 13 18 17 14 15 16 19 20 21 22 23 24 25 26 27 1, 2, 3 1, 2 1, 2, 3, 4 1, 2 1, 2, 3, 4, 5, 6 1 1 1, 2, 3, 4 1, 2, 3, 4, 5, 6 1, 2, 3, 4, 5, 6 1, 2, 3, 4, 5, 6 1, 2, 3, 4, 5, 6 1, 2, 3, 4, 5, 6 1, 2, 3, 4, 5, 6 3, 4, 5, 6 2 3 4 5, 6 4 3 5 6 2, 3, 4, 5, 6 4, 5, 6 5 6

6. 6 9 7 2 4 1 3 8 5 10 12 11 13 27 14 15 16 17 22 26 24 23 25 21 19 18 20 1, 2, 3, 4, 5, 6 1, 2, 3, 4, 5, 6 1, 2, 3, 4, 5, 6 1, 2, 3, 4, 5, 6 1, 2, 3, 4, 5, 6 1 1, 2, 3, 4, 5, 6 1, 2, 3, 4, 5, 6 1, 2, 3, 4, 5, 6 1, 2, 3, 4, 5, 6 1, 2, 3, 4, 5, 6 1, 2, 3, 4, 5, 6 1, 2, 3, 4, 5, 6 1, 2, 3, 4, 5, 6 1 1 1 1 1 1, 2 6 2 2 3 3 2 4 6 5 4 5, 6 2, 3 4, 5, 6 1 2, 3, 4 1, 2, 3 4 4, 5, 6 1, 2 3 4, 5, 6 3, 4, 5, 6 2, 3, 4, 5, 6 1 2, 3 5, 6 4, 5, 6 1, 2, 3, 4, 5 3, 4, 5, 6 4, 5, 6 5, 6