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November 23, 2015PLoS Computational BiologyOpen Access

A Systematic Bayesian Integration of Epidemiological and Genetic Data

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Key result

The proposed Bayesian framework accurately inferred joint epidemiological-evolutionary dynamics and identified multiple clusters within an outbreak, even with incomplete pathogen sequences.

Population

Simulated data and an outbreak of foot-and-mouth disease in the UK

Design

Other

Authors

MLMax S. Y. LauGMGlenn MarionGSGeorge Streftaris

Discussion

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Overview

May aid outbreak analysis with incomplete sequences; leaves open prospective validation before routine use.

Structured PICO

P
Population
A methodological study using simulated data and a real-world dataset of animal foot-and-mouth disease in the UK to test a novel Bayesian framework for integrating epidemiological and genetic data.
I
Intervention
Novel Bayesian framework for joint inference of epidemiological-evolutionary dynamics
O
Outcome
Inference of transmission tree and unobserved transmitted pathogen sequences

A novel Bayesian framework enables systematic and genuine joint inference of epidemiological-evolutionary processes from partially observed outbreaks.

Limitations

  • Computational challenges inherent in inferring unobserved transmitted sequences
  • Assumption of a single dominating strain/lineage at each infectious site at any time point

Cite This Study

Lau et al. (2015) studied Infectious disease transmission (Foot-and-mouth disease). Bayesian framework for joint epidemiological-evolutionary inference vs. Standard approximate methods was evaluated on Accuracy of inferring joint epidemiological-evolutionary dynamics (transmission tree and unobserved sequences). The proposed Bayesian framework accurately inferred joint epidemiological-evolutionary dynamics and identified multiple clusters within an outbreak, even with incomplete pathogen sequences.

synapsesocial.com/papers/6a961caa16faa6f64ec75ff5https://doi.org/10.1371/journal.pcbi.1004633
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Also Consider

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  1. 1Epidemiological inference for partially observed epidemics: The example of the 2001 foot and mouth epidemic in Great Britain2008 · 74 citations
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  4. 4Estimating parameters in stochastic compartmental models using Markov chain methods1998 · 213 citations
  5. 5The molecular clock of HIV-1 unveiled through analysis of a known transmission history1999 · 176 citations