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Explore the spread of diseases in schools and how social behavior affects transmission. Learn about metapopulation models and contact networks.
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Work and play: Disease spread, social behaviour and data collection in schools Dr Jenny Gage, Dr Andrew Conlan, Dr Ken Eames
Metapopulation models • Complicated word for something familiar. • Population patches: lots of infection within a patch, less transmission between patches.
Lots of people close together in the same place. • Many susceptibles - ideal for an epidemic.
Even within a small school, there’s a lot of spatial structure… Class Class Class Travel Playground Dining hall Class Class Class … but how do different parts interact?
Structure of Contacts: Building Networks Who mixes with whom?
Drawing contact networks At our last research group meeting, we asked everyone to choose any two people in the room. We’ll now plot this table as a contact network.
Drawing contact networks Who is named most frequently? Julia
Drawing contact networks It helps to put people with a lot of links in the centre. It’s also a good idea to work systematically. Julia
Drawing contact networks Who is named second most frequently? Julia
Drawing contact networks Ken Julia
Drawing contact networks Who is named third most frequently? Julia
Drawing contact networks Ken Andrew Julia Josh Alicia
Drawing contact networks Who is named fourth most frequently? Julia
Drawing contact networks Ken Johann Andrew Julia Tom Josh Alicia
Drawing contact networks We’ve got all the contacts now - is anyone missing? Julia
Drawing contact networks Ken Johann Andrew Julia Roberto Tom Josh Alicia
Drawing contact networks Ken Now we add the links for each person. Johann Andrew Julia Roberto Tom Josh Alicia
Drawing contact networks Ken Now we add the links for each person. Johann Andrew Julia Roberto Tom Josh Alicia
Drawing contact networks Ken Now we add the links for each person. Johann Andrew Julia Roberto Tom Josh Alicia
Drawing contact networks Ken Now we add the links for each person. Johann Andrew Julia Roberto Tom Josh Alicia
Drawing contact networks Andrew and Josh have already named Julia, so these become MUTUAL LINKS. Ken Johann Andrew Julia Roberto Tom Josh Alicia
Drawing contact networks Andrew and Alicia have already named Ken, so these become MUTUAL LINKS. Ken Johann Andrew Julia Roberto Tom Josh Alicia
Drawing contact networks Ken Johann Andrew Julia Roberto Tom Josh Alicia
Drawing contact networks Johann has already named Tom, so this becomes a MUTUAL LINK. Ken Johann Andrew Julia Roberto Tom Josh Alicia
Drawing contact networks Ken Johann Andrew Tom Julia Roberto The network is now complete, but moving Tom will make it easier to see what’s going on. Josh Alicia
Drawing contact networks Ken Roberto Andrew Tom Johann Julia We could usefully move Roberto also. Josh Alicia
Drawing contact networks Ken Roberto Tom Andrew Johann Julia Alicia Josh … and Andrew.
Drawing contact networks Ken Roberto Andrew Johann Julia Tom Alicia Josh
The completed network Roberto Ken Andrew Johann Julia Tom Josh Alicia