Imperial College London

DrThibautJombart

Faculty of MedicineSchool of Public Health

Senior Lecturer
 
 
 
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Contact

 

+44 (0)20 7594 3658t.jombart Website

 
 
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Location

 

UG11Norfolk PlaceSt Mary's Campus

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Summary

 

Publications

Publication Type
Year
to

157 results found

Agua-Agum J, Ariyarajah A, Aylward B, Blake IM, Brennan R, Cori A, Donnelly CA, Dorigatti I, Dye C, Eckmanns T, Ferguson NM, Formenty P, Fraser C, Garcia E, Garske T, Hinsley W, Holmes D, Hugonnet S, Iyengar S, Jombart T, Krishnan R, Meijers S, Mills HL, Mohamed Y, Nedjati-Gilani G, Newton E, Nouvellet P, Pelletier L, Perkins D, Riley S, Sagrado M, Schnitzler J, Schumacher D, Shah A, Van Kerkhove MD, Varsaneux O, Kannangarage NWet al., 2015, West African Ebola epidemic after one year - slowing but not yet under control, New England Journal of Medicine, Vol: 372, Pages: 584-587, ISSN: 1533-4406

Journal article

Nhung NT, Cuong NV, Campbell J, Hoa NT, Bryant JE, Truc VNT, Kiet BT, Jombart T, Trung NV, Hien VB, Thwaites G, Baker S, Carrique-Mas Jet al., 2015, High Levels of Antimicrobial Resistance among <i>Escherichia coli</i> Isolates from Livestock Farms and Synanthropic Rats and Shrews in the Mekong Delta of Vietnam, APPLIED AND ENVIRONMENTAL MICROBIOLOGY, Vol: 81, Pages: 812-820, ISSN: 0099-2240

Journal article

Dye C, 2015, Goal-Directed Resuscitation in Septic Shock, NEW ENGLAND JOURNAL OF MEDICINE, Vol: 372, Pages: 189-189, ISSN: 0028-4793

Journal article

Tong SYC, Holden MTG, Nickerson EK, Cooper BS, Koeser CU, Cori A, Jombart T, Cauchemez S, Fraser C, Wuthiekanun V, Thaipadungpanit J, Hongsuwan M, Day NP, Limmathurotsakul D, Parkhill J, Peacock SJet al., 2015, Genome sequencing defines phylogeny and spread of methicillin-resistant <i>Staphylococcus aureus</i> in a high transmission setting, GENOME RESEARCH, Vol: 25, Pages: 111-118, ISSN: 1088-9051

Journal article

WHO Ebola Response Team, 2014, Ebola virus disease in West Africa — The first 9 months of the epidemic and forward projections, New England Journal of Medicine, Vol: 371, Pages: 1481-1495, ISSN: 0028-4793

BACKGROUNDOn March 23, 2014, the World Health Organization (WHO) was notified of an outbreak of Ebola virus disease (EVD) in Guinea. On August 8, the WHO declared the epidemic to be a “public health emergency of international concern.”METHODSBy September 14, 2014, a total of 4507 probable and confirmed cases, including 2296 deaths from EVD (Zaire species) had been reported from five countries in West Africa — Guinea, Liberia, Nigeria, Senegal, and Sierra Leone. We analyzed a detailed subset of data on 3343 confirmed and 667 probable Ebola cases collected in Guinea, Liberia, Nigeria, and Sierra Leone as of September 14.RESULTSThe majority of patients are 15 to 44 years of age (49.9% male), and we estimate that the case fatality rate is 70.8% (95% confidence interval [CI], 69 to 73) among persons with known clinical outcome of infection. The course of infection, including signs and symptoms, incubation period (11.4 days), and serial interval (15.3 days), is similar to that reported in previous outbreaks of EVD. On the basis of the initial periods of exponential growth, the estimated basic reproduction numbers (R0) are 1.71 (95% CI, 1.44 to 2.01) for Guinea, 1.83 (95% CI, 1.72 to 1.94) for Liberia, and 2.02 (95% CI, 1.79 to 2.26) for Sierra Leone. The estimated current reproduction numbers (R) are 1.81 (95% CI, 1.60 to 2.03) for Guinea, 1.51 (95% CI, 1.41 to 1.60) for Liberia, and 1.38 (95% CI, 1.27 to 1.51) for Sierra Leone; the corresponding doubling times are 15.7 days (95% CI, 12.9 to 20.3) for Guinea, 23.6 days (95% CI, 20.2 to 28.2) for Liberia, and 30.2 days (95% CI, 23.6 to 42.3) for Sierra Leone. Assuming no change in the control measures for this epidemic, by November 2, 2014, the cumulative reported numbers of confirmed and probable cases are predicted to be 5740 in Guinea, 9890 in Liberia, and 5000 in Sierra Leone, exceeding 20,000 in total.CONCLUSIONSThese data indicate that without drastic improvements in control measures, the numbers of

Journal article

Devillard S, Jombart T, Leger F, Pontier D, Say L, Ruette Set al., 2014, How reliable are morphological and anatomical characters to distinguish European wildcats, domestic cats and their hybrids in France?, JOURNAL OF ZOOLOGICAL SYSTEMATICS AND EVOLUTIONARY RESEARCH, Vol: 52, Pages: 154-162, ISSN: 0947-5745

Journal article

Jombart T, Aanensen DM, Baguelin M, Birrell P, Cauchemez S, Camacho A, Colijn C, Collins C, Cori A, Didelot X, Fraser C, Frost S, Hens N, Hugues J, Hohle M, Opatowski L, Rambautm A, Ratmann O, Soubeyrand S, Suchard MA, Wallinga J, Ypma R, Ferguso Net al., 2014, OutbreakTools: A new platform for disease outbreak analysis using the R software, Epidemics, Vol: 7, Pages: 28-34, ISSN: 1755-4365

The investigation of infectious disease outbreaks relies on the analysis of increasingly complex and diverse data, which offer new prospects for gaining insights into disease transmission processes and informing public health policies. However, the potential of such data can only be harnessed using a number of different, complementary approaches and tools, and a unified platform for the analysis of disease outbreaks is still lacking. In this paper, we present the new R package OutbreakTools, which aims to provide a basis for outbreak data management and analysis in R. OutbreakTools is developed by a community of epidemiologists, statisticians, modellers and bioinformaticians, and implements classes and methods for storing, handling and visualizing outbreak data. It includes real and simulated outbreak datasets. Together with a number of tools for infectious disease epidemiology recently made available in R, OutbreakTools contributes to the emergence of a new, free and open-source platform for the analysis of disease outbreaks.

Journal article

Jombart T, Cori A, Didelot X, Cauchemez S, Fraser C, Ferguson Net al., 2014, Bayesian Reconstruction of Disease Outbreaks by Combining Epidemiologic and Genomic Data, PLOS COMPUTATIONAL BIOLOGY, Vol: 10, ISSN: 1553-734X

Journal article

Tanabe K, Jombart T, Horibe S, Palacpac NMQ, Honma H, Tachibana S-I, Nakamura M, Horii T, Kishino H, Mita Tet al., 2013, <i>Plasmodium falciparum</i> mitochondrial genetic diversity exhibits isolation-by-distance patterns supporting a sub-Saharan African origin, MITOCHONDRION, Vol: 13, Pages: 630-636, ISSN: 1567-7249

Journal article

Huyse T, Van den Broeck F, Jombart T, Webster BL, Diaw O, Volckaert FAM, Balloux F, Rollinson D, Polman Ket al., 2013, Regular treatments of praziquantel do not impact on the genetic make-up of <i>Schistosoma mansoni</i> in Northern Senegal, INFECTION GENETICS AND EVOLUTION, Vol: 18, Pages: 100-105, ISSN: 1567-1348

Journal article

Chadeau-Hyam M, Campanella G, Jombart T, Bottolo L, Portengen L, Vineis P, Liquet B, Vermeulen RCHet al., 2013, Deciphering the complex: Methodological overview of statistical models to derive OMICS-based biomarkers, ENVIRONMENTAL AND MOLECULAR MUTAGENESIS, Vol: 54, Pages: 542-557, ISSN: 0893-6692

Journal article

Tanabe K, Mita T, Palacpac NMQ, Arisue N, Tougan T, Kawai S, Jombart T, Kobayashi F, Horii Tet al., 2013, Within-population genetic diversity of <i>Plasmodium falciparum</i> vaccine candidate antigens reveals geographic distance from a Central sub-Saharan African origin, VACCINE, Vol: 31, Pages: 1334-1339, ISSN: 0264-410X

Journal article

Cui Y, Yu C, Yan Y, Li D, Li Y, Jombart T, Weinert LA, Wang Z, Guo Z, Xu L, Zhang Y, Zheng H, Qin N, Xiao X, Wu M, Wang X, Zhou D, Qi Z, Du Z, Wu H, Yang X, Cao H, Wang H, Wang J, Yao S, Rakin A, Li Y, Falush D, Balloux F, Achtman M, Song Y, Wang J, Yang Ret al., 2013, Historical variations in mutation rate in an epidemic pathogen, <i>Yersinia pestis</i>, PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, Vol: 110, Pages: 577-582, ISSN: 0027-8424

Journal article

Muenkemueller T, Lavergne S, Bzeznik B, Dray S, Jombart T, Schiffers K, Thuiller Wet al., 2012, How to measure and test phylogenetic signal, METHODS IN ECOLOGY AND EVOLUTION, Vol: 3, Pages: 743-756, ISSN: 2041-210X

Journal article

Dray S, Pelissier R, Couteron P, Fortin M-J, Legendre P, Peres-Neto PR, Bellier E, Bivand R, Blanchet FG, De Caceres M, Dufour A-B, Heegaard E, Jombart T, Munoz F, Oksanen J, Thioulouse J, Wagner HHet al., 2012, Community ecology in the age of multivariate multiscale spatial analysis, ECOLOGICAL MONOGRAPHS, Vol: 82, Pages: 257-275, ISSN: 0012-9615

Journal article

Yalcindag E, Elguero E, Arnathau C, Durand P, Akiana J, Anderson TJ, Aubouy A, Balloux F, Besnard P, Bogreau H, Carnevale P, D'Alessandro U, Fontenille D, Gamboa D, Jombart T, Le Mire J, Leroy E, Maestre A, Mayxay M, Menard D, Musset L, Newton PN, Nkoghe D, Noya O, Ollomo B, Rogier C, Veron V, Wide A, Zakeri S, Carme B, Legrand E, Chevillon C, Ayala FJ, Renaud F, Prugnolle Fet al., 2012, Multiple independent introductions of <i>Plasmodium falciparum</i> in South America, PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, Vol: 109, Pages: 511-516, ISSN: 0027-8424

Journal article

Dray S, Jombart T, 2011, REVISITING GUERRY'S DATA: INTRODUCING SPATIAL CONSTRAINTS IN MULTIVARIATE ANALYSIS, ANNALS OF APPLIED STATISTICS, Vol: 5, Pages: 2278-2299, ISSN: 1932-6157

Journal article

Jombart T, Ahmed I, 2011, <i>adegenet 1.3-1</i>: new tools for the analysis of genome-wide SNP data, BIOINFORMATICS, Vol: 27, Pages: 3070-3071, ISSN: 1367-4803

Journal article

Rasmussen M, Guo X, Wang Y, Lohmueller KE, Rasmussen S, Albrechtsen A, Skotte L, Lindgreen S, Metspalu M, Jombart T, Kivisild T, Zhai W, Eriksson A, Manica A, Orlando L, De La Vega FM, Tridico S, Metspalu E, Nielsen K, Avila-Arcos MC, Moreno-Mayar JV, Muller C, Dortch J, Gilbert MTP, Lund O, Wesolowska A, Karmin M, Weinert LA, Wang B, Li J, Tai S, Xiao F, Hanihara T, van Driem G, Jha AR, Ricaut F-X, de Knijff P, Migliano AB, Romero IG, Kristiansen K, Lambert DM, Brunak S, Forster P, Brinkmann B, Nehlich O, Bunce M, Richards M, Gupta R, Bustamante CD, Krogh A, Foley RA, Lahr MM, Balloux F, Sicheritz-Ponten T, Villems R, Nielsen R, Wang J, Willerslev Eet al., 2011, An Aboriginal Australian Genome Reveals Separate Human Dispersals into Asia, SCIENCE, Vol: 334, Pages: 94-98, ISSN: 0036-8075

Journal article

Jombart T, Eggo RM, Dodd PJ, Balloux Fet al., 2011, Reconstructing disease outbreaks from genetic data: a graph approach, HEREDITY, Vol: 106, Pages: 383-390, ISSN: 0018-067X

Journal article

Morelli G, Song Y, Mazzoni CJ, Eppinger M, Roumagnac P, Wagner DM, Feldkamp M, Kusecek B, Vogler AJ, Li Y, Cui Y, Thomson NR, Jombart T, Leblois R, Lichtner P, Rahalison L, Petersen JM, Balloux F, Keim P, Wirth T, Ravel J, Yang R, Carniel E, Achtman Met al., 2010, <i>Yersinia pestis</i> genome sequencing identifies patterns of global phylogenetic diversity, NATURE GENETICS, Vol: 42, Pages: 1140-+, ISSN: 1061-4036

Journal article

Jombart T, Devillard S, Balloux F, 2010, Discriminant analysis of principal components: a new method for the analysis of genetically structured populations, BMC GENETICS, Vol: 11, ISSN: 1471-2156

Journal article

Jombart T, Balloux F, Dray S, 2010, <i>adephylo</i>: new tools for investigating the phylogenetic signal in biological traits, BIOINFORMATICS, Vol: 26, Pages: 1907-1909, ISSN: 1367-4803

Journal article

Tanabe K, Mita T, Jombart T, Eriksson A, Horibe S, Palacpac N, Ranford-Cartwright L, Sawai H, Sakihama N, Ohmae H, Nakamura M, Ferreira MU, Escalante AA, Prugnolle F, Bjorkman A, Farnert A, Kaneko A, Horii T, Manica A, Kishino H, Balloux Fet al., 2010, <i>Plasmodium falciparum</i> Accompanied the Human Expansion out of Africa, CURRENT BIOLOGY, Vol: 20, Pages: 1283-1289, ISSN: 0960-9822

Journal article

Jombart T, Pavoine S, Devillard S, Pontier Det al., 2010, Putting phylogeny into the analysis of biological traits: A methodological approach, JOURNAL OF THEORETICAL BIOLOGY, Vol: 264, Pages: 693-701, ISSN: 0022-5193

Journal article

Nuebel U, Dordel J, Kurt K, Strommenger B, Westh H, Shukla SK, Zemlickova H, Leblois R, Wirth T, Jombart T, Balloux F, Witte Wet al., 2010, A Timescale for Evolution, Population Expansion, and Spatial Spread of an Emerging Clone of Methicillin-Resistant <i>Staphylococcus aureus</i>, PLOS PATHOGENS, Vol: 6, ISSN: 1553-7366

Journal article

Balloux F, Handley L-JL, Jombart T, Liu H, Manica Aet al., 2009, Climate shaped the worldwide distribution of human mitochondrial DNA sequence variation, PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES, Vol: 276, Pages: 3447-3455, ISSN: 0962-8452

Journal article

Jombart T, Eggo RM, Dodd P, Balloux Fet al., 2009, Spatiotemporal dynamics in the early stages of the 2009 A/H1N1 influenza pandemic., PLoS Curr, Vol: 1

Epidemiology and public health planning will increasingly rely on the analysis of genetic sequence data. The ongoing influenza A/H1N1 pandemic may represent a tipping point in this trend, with A/H1N1 being the first human pathogen routinely genotyped from the beginning of its spread. To take full advantage of this genetic information, we introduce a novel method to reconstruct the spatiotemporal dynamics of outbreaks from sequence data. The approach is based on a new paradigm were ancestries are inferred directly rather than through the reconstruction of most recent common ancestors (MRCAs) as in phylogenetics. Using 279 A/H1N1 hemagglutinin (HA) sequences, we confirm the emergence of the 2009 flu pandemic in Mexico. The virus initially spread to the US, and then to the rest of the world with both Mexico and the US acting as the main sources. While compatible with current epidemiological understanding of the 2009 H1N1 pandemic, our results provide a much finer picture of the spatiotemporal dynamics. The results also highlight how much additional epidemiological information can be gathered from genetic monitoring of a disease outbreak.

Journal article

Fraser C, Donnelly CA, Cauchemez S, Hanage WP, Van Kerkhove MD, Hollingsworth TD, Griffin J, Baggaley RF, Jenkins HE, Lyons EJ, Jombart T, Hinsley WR, Grassly NC, Balloux F, Ghani AC, Rambaut A, Ferguson NMet al., 2009, Influenza: Making Privileged Data Public Response, SCIENCE, Vol: 325, Pages: 1072-1073, ISSN: 0036-8075

Journal article

Fraser C, Donnelly CA, Cauchemez S, Hanage WP, Van Kerkhove MD, Hollingsworth TD, Griffin J, Baggaley RF, Jenkins HE, Lyons EJ, Jombart T, Hinsley WR, Grassly NC, Balloux F, Ghani AC, Ferguson NM, Rambaut A, Pybus OG, Lopez-Gatell H, Alpuche-Aranda CM, Bojorquez Chapela I, Palacios Zavala E, Espejo Guevara DM, Checchi F, Garcia E, Hugonnet S, Roth Cet al., 2009, Pandemic Potential of a Strain of Influenza A (H1N1): Early Findings, SCIENCE, Vol: 324, Pages: 1557-1561, ISSN: 0036-8075

Journal article

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