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. 2020 Dec 9;148:e298. doi: 10.1017/S0950268820002988

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© The Author(s) 2020

This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 4. — Proportions of critical (dotted red) and non-critical successful (solid blue) importations as a function of the initial number of imported L₁ cases. Circles:, squares: 1.2 and triangles: 2.5.

Inline graphic — Proportions of critical (dotted red) and non-critical successful (solid blue) importations as a function of the initial number of imported L₁ cases. Circles:, squares: 1.2 and triangles: 2.5.