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. 2019 Apr 3;188(7):1319–1327. doi: 10.1093/aje/kwz090

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© The Author(s) 2019. Published by Oxford University Press on behalf of the Johns Hopkins Bloomberg School of Public Health.

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

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Figure 3. — Distribution of secondary cases, Ebola epidemic, Guinea, 2014–2016. A) Distribution of the number of secondary cases per case, fitted to a negative binomial distribution (line and shaded areas). B) Fits of the first or the subsequent generations only (total: mean, 0.89 (standard deviation, 0.31; 95% confidence interval: 0.25, 0.37); first generation: mean, 1.77 (standard deviation, 0.88; 95% confidence interval: 0.53, 1.23); subsequent generations: mean, 0.70 (standard deviation, 0.25; 95% confidence interval: 0.19, 0.30)).