Evidence map›Paper›PMID 27919643›Full record

Observational studyThe Lancet. Infectious diseases2017

Transmission of multidrug-resistant Mycobacterium tuberculosis in Shanghai, China: a retrospective observational study using whole-genome sequencing and epidemiological investigation.

Chongguang Yang, Tao Luo, Xin Shen, Jie Wu, Mingyu Gan, Peng Xu, Zheyuan Wu, Senlin Lin, Jiyun Tian, Qingyun Liu and 4 more

Abstract readObservational Study
In one paragraph

Observational study in The Lancet. Infectious diseases, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 177 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
177citing 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

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

  1. Pooled it
  2. Trial
  3. Article
  4. Role of casual contact in drug-resistant tuberculosis transmission: a molecular epidemiology study.American journal of respiratory and critical care medicine · 2026
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  15. Genomic epidemiology of theFrontiers in microbiology · 2026
    Article
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  17. Mixed infections and heteroresistance ofEmerging microbes & infections · 2025
    Article
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117 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

14 authors.

Chongguang Yang *The Key Laboratory of Medical Molecular Virology of Ministries of Education and Health, Institutes of Biomedical Sciences, and Institute of Medical Microbiology, School of Basic Medical Science, Fudan University, 131 DongAn Road, Shanghai, China, 200032.
Tao Luo *The Key Laboratory of Medical Molecular Virology of Ministries of Education and Health, Institutes of Biomedical Sciences, and Institute of Medical Microbiology, School of Basic Medical Science, Fudan University, 131 DongAn Road, Shanghai, China, 200032.
Xin Shen *Department of tuberculosis Control, Shanghai Municipal Center for Disease Control and Prevention, 1380 West Zhong Shan Road, Shanghai, China, 200336.
Jie WuDepartment of tuberculosis Control, Shanghai Municipal Center for Disease Control and Prevention, 1380 West Zhong Shan Road, Shanghai, China, 200336.
Mingyu GanThe Key Laboratory of Medical Molecular Virology of Ministries of Education and Health, Institutes of Biomedical Sciences, and Institute of Medical Microbiology, School of Basic Medical Science, Fudan University, 131 DongAn Road, Shanghai, China, 200032.
Peng XuThe Key Laboratory of Medical Molecular Virology of Ministries of Education and Health, Institutes of Biomedical Sciences, and Institute of Medical Microbiology, School of Basic Medical Science, Fudan University, 131 DongAn Road, Shanghai, China, 200032.
Zheyuan WuDepartment of tuberculosis Control, Shanghai Municipal Center for Disease Control and Prevention, 1380 West Zhong Shan Road, Shanghai, China, 200336.
Senlin LinDepartment of tuberculosis Control, Shanghai Municipal Center for Disease Control and Prevention, 1380 West Zhong Shan Road, Shanghai, China, 200336.
Jiyun TianThe Key Laboratory of Medical Molecular Virology of Ministries of Education and Health, Institutes of Biomedical Sciences, and Institute of Medical Microbiology, School of Basic Medical Science, Fudan University, 131 DongAn Road, Shanghai, China, 200032.
Qingyun LiuThe Key Laboratory of Medical Molecular Virology of Ministries of Education and Health, Institutes of Biomedical Sciences, and Institute of Medical Microbiology, School of Basic Medical Science, Fudan University, 131 DongAn Road, Shanghai, China, 200032.
ZhengAn YuanDepartment of tuberculosis Control, Shanghai Municipal Center for Disease Control and Prevention, 1380 West Zhong Shan Road, Shanghai, China, 200336.
Jian MeiDepartment of tuberculosis Control, Shanghai Municipal Center for Disease Control and Prevention, 1380 West Zhong Shan Road, Shanghai, China, 200336.
Kathryn DeRiemerSchool of Medicine, University of California, Davis, One Shields Avenue, Davis, CA, USA, 95616.
Qian GaoThe Key Laboratory of Medical Molecular Virology of Ministries of Education and Health, Institutes of Biomedical Sciences, and Institute of Medical Microbiology, School of Basic Medical Science, Fudan University, 131 DongAn Road, Shanghai, China, 200032.

Funding

University of California Launching Future Leaders in Global Health Research Training ProgramD43TW009343 · FIC · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI CRAIG R COHEN, Sung-Jae Lee · 2017 to 2026
$14.7M
University of California Global Health Institute Program for Fellows and ScholarsR25TW009343 · FIC · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI COHEN, CRAIG R, STRATHDEE, STEFFANIE A. · 2012 to 2017
$6.4M
Transmission and virulence of Mycobacterium tuberculosisDP2OD006452 · OD · UNIVERSITY OF CALIFORNIA AT DAVIS · PI DERIEMER, KATHRYN L · 2010 to 2010
$2.3M
UC Davis-China Infectious Disease Research TrainingD43TW007887 · FIC · UNIVERSITY OF CALIFORNIA AT DAVIS · PI DERIEMER, KATHRYN L · 2008 to 2012
$743k
FIC NIH HHS D43 TW007887FIC NIH HHS D43 TW009343FIC NIH HHS R25 TW009343NIH HHS DP2 OD006452
6 · The paper itself

Abstract

backgroundMultidrug-resistance is a substantial threat to global elimination of tuberculosis. Understanding transmission patterns is crucial for control of the disease. We used a genomic and epidemiological approach to assess recent transmission of multidrug-resistant (MDR) tuberculosis and identify potential risk factors for transmission.

methodsWe did a population-based, retrospective study of patients who tested positive for tuberculosis between Jan 1, 2009, and Dec 31, 2012, in Shanghai, China. We did variable-number-of-tandem-repeat genotyping and whole-genome sequencing of isolates. We measured strain diversity within and between genomically clustered isolates. Genomic and epidemiological data were combined to construct transmission networks.

findings367 (5%) of 7982 patients with tuberculosis had MDR tuberculosis and 324 (88%) of these had isolates available for genomic analysis. 103 (32%) of the 324 MDR strains were in 38 genomic clusters that differed by 12 or fewer single nucleotide polymorphisms (SNPs), indicating recent transmission of MDR strains. Patients who had delayed diagnosis or were older than 45 years had high risk of recent transmission. 235 (73%) patients with MDR tuberculosis probably had transmission of MDR strains. Transmission network analysis showed that 33 (87%) of the 38 clusters accumulated additional drug-resistance mutations through emergence or fixation of mutations during transmission. 68 (66%) of 103 clustered MDR strains had compensatory mutations of rifampicin resistance.

interpretationRecent transmission of MDR tuberculosis strains, with increasing drug-resistance, drives the MDR tuberculosis epidemic in Shanghai, China. Whole-genome sequencing can measure of the heterogeneity of drug-resistant mutations within and between hosts and help to determine the transmission patterns of MDR tuberculosis.

fundingNational Science and Technology Major Project, National Natural Science Foundation of China, and US National Insitutes of Health.

Indexed as

Genome, BacterialMolecular EpidemiologyAdolescentAdultAgedAntitubercular AgentsChinaDrug Resistance, Multiple, BacterialFemaleHumansMaleMiddle AgedMycobacterium tuberculosisPolymorphism, Single NucleotideRetrospective StudiesSequence Analysis, DNAAntitubercular Agents

Identifiers

PMID27919643
PMCPMC5330813

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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.