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Figure 1 | BMC Public Health

Figure 1

From: Modelling the effect of seasonal influenza vaccination on the risk of pandemic influenza infection

Figure 1

Possible disease paths through the different classes. S - susceptible, I - infective, T - temporarily immune to all strains, R - recovered. Sub/superscripts 1 refer to seasonal and 2 to pandemic. Superscripts are strains the individuals was susceptible to, subscripts the strain they are or have recently been infected with. Labels on the links are the relevant rates of progression between classes.

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