Figure 1.

Literature review of pandemic influenza modelling papers. A: type of compartmental and non-compartmental models and parameterization approaches used. B: cumulative number of modelling and simulation papers identified from 2000 to 2011 (left axis) and number of hits retrieved on PubMed for the query: “pandemic AND influenza” (right axis). This search is used as a surrogate for general research interest in pandemic influenza. C: proportion of models incorporating economic aspects, individuals’ behaviour, parameterization from data other than reproducing parameter value choices in previous studies and validation. ABM: agent-based model; CGE: computable or general equilibrium model; Epi. lab. case data: models are fitted to epidemiological, laboratory or case data.