Evidence map›Paper›PMID 37229349›Full record

ArticleVirus evolution2023

Model design for nonparametric phylodynamic inference and applications to pathogen surveillance.

Xavier Didelot, Vinicius Franceschi, Simon D W Frost, Ann Dennis, Erik M Volz

Abstract read
In one paragraph

Article in Virus evolution, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

12 citing papers in PubMed, 1 synthesis or guideline pooled it.

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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

5 authors.

Xavier DidelotSchool of Life Sciences and Department of Statistics, University of Warwick, United Kingdom.ORCID https://orcid.org/0000-0003-1885-500X
Vinicius FranceschiDepartment of Infectious Disease Epidemiology, School of Public Health, Imperial College London, United Kingdom.
Simon D W FrostMicrosoft Research, USA.ORCID https://orcid.org/0000-0002-5207-9879
Ann DennisDepartment of Medicine, University of North Carolina, USA.
Erik M VolzDepartment of Infectious Disease Epidemiology, School of Public Health, Imperial College London, United Kingdom.ORCID https://orcid.org/0000-0001-6268-8937

Funding

Timely monitoring and response to HIV transmission networks for intensified preventionR01AI135970 · NIAID · UNIV OF NORTH CAROLINA CHAPEL HILL · PI DENNIS, ANN · 2018 to 2022
$3.8M
Medical Research Council MR/R015600/1NIAID NIH HHS R01 AI135970
6 · The paper itself

Abstract

Inference of effective population size from genomic data can provide unique information about demographic history and, when applied to pathogen genetic data, can also provide insights into epidemiological dynamics. The combination of nonparametric models for population dynamics with molecular clock models which relate genetic data to time has enabled phylodynamic inference based on large sets of time-stamped genetic sequence data. The methodology for nonparametric inference of effective population size is well-developed in the Bayesian setting, but here we develop a frequentist approach based on nonparametric latent process models of population size dynamics. We appeal to statistical principles based on out-of-sample prediction accuracy in order to optimize parameters that control shape and smoothness of the population size over time. Our methodology is implemented in a new R package entitled

Indexed as

effective population sizegenomic epidemiologyHIV-1phylodynamicsSARS-CoV-2

Identifiers

PMID37229349
PMCPMC10205094

What OpenQuestion holds

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LicenceCC BY
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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.