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A Dynamic Network with Individual Mobility for Designing Vaccination Strategies

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Abstract:

Abstract

Vaccination is a primary means to control infectious diseases. Few studies on vaccination strategies have explicitly considered the mobility of individuals. This article aims to evaluate the efficacy of three vaccination strategies in a dynamic social network, in which individuals are mobile between and within communities. The three vaccination strategies are applied to this social network for evaluation, including a travel-based, a contact-based, and a random vaccination strategy. Simulation results show that the contact-based strategy, commonly seen in previous studies, is not always the most effective strategy in dynamic networks. This strategy is preferable for a population with a large number of intercommunity travelers, for instance in urban areas. On the other hand, the travel-based strategy, although directly accounting for individual mobility, is not necessarily the most effective in dynamic networks either. This strategy is recommended for a population with a small number of intercommunity travelers, such as rural areas. In addition, one advantage of the travel-based strategy over the other two is its efficacy in confining the spatial extent of affected areas. Results suggest that the intercommunity travel of individuals should be a major consideration for choosing proper vaccination strategies. By adding the spatial context into vaccination strategies, this research provides new insights into community-based planning for infectious disease control.

Document Type: Research Article

DOI: https://doi.org/10.1111/j.1467-9671.2010.01201.x

Affiliations: Department of GeographyUniversity at BuffaloState University of New York

Publication date: 2010-08-01

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