Fig. 1From: The 2014 Ebola virus disease outbreak in Pujehun, Sierra Leone: epidemiology and impact of interventionsEbola virus disease (EVD) transmission chain in Pujehun district. (a) Number of deaths/discharges over time. (b) Transmission chain of the 2014 EVD outbreak in Pujehun district, Sierra Leone. Symbols are defined in the figure. Numbers are patient ID (see Additional file 2 for detailed information on case patients). (c) Distribution of the number of secondary cases generated by EVD cases. The line represents the negative binomial fit. (d) Percentage of transmission events in different settingsBack to article page