Work and play: Disease spread, social behaviour and data collection in schools Dr Jenny Gage, Dr...

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

ClassClass

Class

Playground Dining hallTravel

… 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.

Person Contact 1 Contact 2Alicia Julia Ken

Andrew Julia KenJohann Julia Tom

Josh Julia AliciaJulia Andrew JoshKen Andrew Alicia

Roberto Julia KenTom Johann Josh

We’ll now plot this table as a contact network.

Person Contact1 Contact 2Alicia Julia Ken





Julia

Who is named most

frequently?






Julia

It helps to put people with a lot of links in the centre.

It’s also a good idea to work systematically.






Julia

Who is named second most

frequently?






Julia

Ken


Julia

Who is named

third most frequently?Person Contact1 Contact 2

Alicia Julia KenAndrew Julia KenJohann Julia Tom








Julia

Ken

Andrew

AliciaJosh


Julia

Who is named

fourth most frequently?Person Contact1 Contact 2

Alicia Julia KenAndrew Julia KenJohann Julia Tom








Julia

Ken

Andrew

AliciaJosh

Tom

Johann


Julia

We’ve got all the

contacts now - is anyone

missing?Person Contact1 Contact 2Alicia Julia Ken









Julia

Ken

Andrew

AliciaJosh

Tom

Johann

Roberto






Julia

Ken

Andrew

AliciaJosh

Tom

Johann

Roberto

Now we add the links for

each person.






Julia

Ken

Andrew

AliciaJosh

Tom

Johann

Roberto

Andrew and Josh have already

named Julia, so these become

MUTUAL LINKS.






Julia

Ken

Andrew

AliciaJosh

Tom

Johann

Roberto

Andrew and Alicia have already

named Ken, so these become

MUTUAL LINKS.






Julia

Ken

Andrew

AliciaJosh

Tom

Johann

Roberto






Julia

Ken

Andrew

AliciaJosh

Tom

Johann

Roberto

Johann has already named

Tom, so this becomes a

MUTUAL LINK.


Julia

Ken

Andrew

AliciaJosh

Tom Johann

Roberto

The network is now complete, but

moving Tom will make it easier to see

what’s going on.


Julia

Ken

Andrew

AliciaJosh

Tom

Johann

Roberto

We could usefully move Roberto

also.


Julia

Ken

Andrew

AliciaJosh

Tom

Johann

Roberto

… and Andrew.


Julia

Ken

Andrew

AliciaJosh

Tom

Johann

Roberto

The completed network

Julia

Ken

Andrew

Tom AliciaJosh

Roberto

Johann

Work and play: Disease spread, social behaviour and data collection in schools Dr Jenny Gage, Dr...

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