Journal
VIRULENCE
Volume 5, Issue 8, Pages 825-827Publisher
TAYLOR & FRANCIS INC
DOI: 10.4161/21505594.2014.976514
Keywords
Bayesian inference; Ebola virus (EBOV); epidemiology; phylogenetics; R-0
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Funding
- ATIP-Avenir from CNRS
- INSERM
- ANR [10-PDOC-017-01 'SPATEVOLEPID']
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Measuring epidemic parameters early in an outbreak is essential to inform control efforts. Using the viral genome sequence and collection date from 78 infections in the 2014 Ebola virus outbreak in Sierra Leone, we estimate key epidemiological parameters such as infectious period duration (approximately 71hours) and date of the first case in Sierra Leone (approximately April 25th). We also estimate the effective reproduction number, R-e, (approximately 1.26), which is the number of secondary infections effectively caused by an infected individual and accounts for public health control measures. This study illustrates that phylodynamics methods, applied during the initial phase of an outbreak on fewer and more easily attainable data, can yield similar estimates to count-based epidemiological studies.
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