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To explore the efficacy of four vaccine-based policy strategies (ring vaccination, targeted vaccination, mass vaccination, and pre-vaccination of healthcare personnel combined with ring vaccination) for controlling smallpox outbreaks in Sweden, disease transmission on a spatially explicit social network was simulated. The mixing network was formed from(More)
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The study of complex phenomena, such as the interplay between human and natural systems, requires models. To allow for an orderly study of the effects of individual actions the model must comprise different scales of granularity, individuals and aggregates. In a joint research project between IIASA (Austria), DSV (Sweden) and the Hungarian Academy of(More)
The Hungarian government is experiencing escalating costs for flood mit-igation measures and for economical compensation to victims. In a joint research project between the International Institute of Applied System Analysis (IIASA) in Austria, Computer and System Science Department (DSV) in Sweden, and the Hungarian Academy of Science, the flooding problem(More)
A simulation model called VirSim was developed to aid policy making in Sweden. The model simulates the spread of pandemic influenza, using real population data on a national and regional level. Swedish authorities wanted a model that was both quick to run and to implement as a complement to the existing model MicroSim. The possibility to interactively(More)