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. 2017 Mar 13;372(1719):20160094. doi: 10.1098/rstb.2016.0094

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© 2017 The Authors.

Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.

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Figure 3. — Correlates of infective dose. (a) The case fatality rate (virulence) was significantly higher in species with a lower infective dose (log). (b) The generation time (generations per week) was significantly higher in species with a higher infective dose. White circles are ingested parasites; grey circles are inhaled parasites; black circles are parasites that infect via skin wounds. (c) Infective dose was significantly lower in pathogens with immune subversion. (d) Infective dose was significantly higher in pathogens with coordinated production of virulence factors (electronic supplementary material, tables S3 and S5).