Physics – Physics and Society
Scientific paper
2006-08-14
Acta Physica Polonica B 37 p.3017 (2006)
Physics
Physics and Society
To be published in Acta Phys. Pol. B
Scientific paper
Models for control of epidemics on local, global and small-world networks are considered, with only partial information accessible about the status of individuals and their connections. The main goal of an effective control measure is to stop the epidemic at a lowest possible cost, including treatment and cost necessary to track the disease spread. We show that delay in detection of infectious individuals and presence of long-range links are the most important factors determining the cost. However, the details of long-range links are usually the least-known element of the social interactions due to their occasional character and potentially short life-span. We show that under some conditions on the probability of disease spread, it is advisable to attempt to track those links. Thus, collecting some additional knowledge about the network structure might be beneficial to ensure a successful and cost-effective control.
Dybiec Bartlomiej
Gilligan Christopher A.
Kleczkowski Adam
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