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Volume 13, Number 9—September 2007

Research

Frequent Travelers and Rate of Spread of Epidemics

T. Déirdre Hollingsworth*Comments to Author , Neil M. Ferguson*, and Roy M. Anderson*
Author affiliations: *Imperial College London, London, United Kingdom;

Main Article

Appendix Figure 2

Mean number of exported cases from 50,000 simulations. Parameters are as in Figure 2, with assortative mixing (φ = 0.25) and initiating the epidemic among high-frequency fliers. A ) Effect of varying relative frequency of flying in high-frequency travelers with that in low-frequency fliers (f = 1, 10, 20, and 100. B) Effect of varying proportion of the population in the high-frequency traveling group (r = 0.000001, 0.00001, 0.0001, 0.001, 0.01, and 0.1.

Appendix Figure 2. Mean number of exported cases from 50,000 simulations. Parameters are as in Figure 2, with assortative mixing (φ = 0.25) and initiating the epidemic among high-frequency fliers. A ) Effect of varying relative frequency of flying in high-frequency travelers with that in low-frequency fliers (f = 1, 10, 20, and 100. B) Effect of varying proportion of the population in the high-frequency traveling group (r = 0.000001, 0.00001, 0.0001, 0.001, 0.01, and 0.1.

Main Article

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