Evidence map›Paper›PMID 34099577›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2021

Phenotypic and genetic characterization of MERS coronaviruses from Africa to understand their zoonotic potential.

Ziqi Zhou, Kenrie P Y Hui, Ray T Y So, Huibin Lv, Ranawaka A P M Perera, Daniel K W Chu, Esayas Gelaye, Harry Oyas, Obadiah Njagi, Takele Abayneh and 18 more

Open access · bronzeAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
30citing papers in PubMed, 1 pooled it
1.8field-weighted citation impact, top 13% of its field
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

30 citing papers in PubMed, 1 synthesis or guideline pooled it, 42 citations in OpenAlex.

  1. Pooled it
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  6. Clade C MERS-CoV camel strains vary in protease utilization during viral entry.Proceedings of the National Academy of Sciences of the United States of America · 2026
    Article
  7. Review
  8. AI-Guided Binding Mechanisms and Molecular Dynamics for MERS-CoV.International journal of molecular sciences · 2026
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

28 authors at 12 institutions in 9 countries.

Ziqi ZhouSchool of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong (HKU), Pokfulam, Hong Kong Special Administrative Region, People's Republic of China.
Kenrie P Y HuiSchool of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong (HKU), Pokfulam, Hong Kong Special Administrative Region, People's Republic of China.ORCID https://orcid.org/0000-0003-1506-0535
Ray T Y SoHKU-Pasteur Research Pole, School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region, People's Republic of China.ORCID https://orcid.org/0000-0002-9576-4489
Huibin LvHKU-Pasteur Research Pole, School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region, People's Republic of China.
Ranawaka A P M PereraSchool of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong (HKU), Pokfulam, Hong Kong Special Administrative Region, People's Republic of China.
Daniel K W ChuSchool of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong (HKU), Pokfulam, Hong Kong Special Administrative Region, People's Republic of China.
Esayas GelayeNational Veterinary Institute, Debre Zeit, Ethiopia.ORCID https://orcid.org/0000-0002-7329-8632
Harry OyasDirectorate of Veterinary Services, Nairobi, Kenya.
Obadiah NjagiDirectorate of Veterinary Services, Nairobi, Kenya.ORCID https://orcid.org/0000-0002-5491-4348
Takele AbaynehNational Veterinary Institute, Debre Zeit, Ethiopia.ORCID https://orcid.org/0000-0002-6907-8055
Wilson KuriaDirectorate of Veterinary Services, Nairobi, Kenya.
Elias WalelignFood and Agriculture Organization, Emergency Centre for Transboundary Animal Diseases, Addis Ababa, Ethiopia.
Rinah WangliaFood and Agriculture Organization, Emergency Centre for Transboundary Animal Diseases, Nairobi, Kenya.
Ihab El MasryFood and Agriculture Organization of the United Nations, Rome 00153, Italy.
Sophie Von DobschuetzFood and Agriculture Organization of the United Nations, Rome 00153, Italy.
Wantanee KalpravidhFood and Agriculture Organization of the United Nations, Rome 00153, Italy.
Véronique ChevalierCentre de Coopération Internationale en Recherche Agronomique pour le Développement, UMR Animal, Health, Territories, Risk, Ecosystems (ASTRE) Animal, Santé, Territoires, Risques et Ecosystèmes, Institut National de la Recherche Agronomique, Université de Montpellier, F-34398 Montpellier, France.
Eve MiguelAnimal, Santé, Territoires, Risques et Ecosystèmes, Centre de Coopération Internationale en Recherche Agronomique pour le Développement, Institut National de la Recherche Agronomique, Université de Montpellier, F-34398 Montpellier, France.
Ouafaa Fassi-FihriLaboratoire de Biologie et Santé Animals, L'Institut de l'Environnement et de Recherches Agricoles du Burkina Faso/Centre National de la Recherche Scientifique et Technologique, 04 BP 8645 Ouagadougou 04, Burkina Faso.
Amadou TraroreInstitut Agronomique et Vétérinaire, Hassan II Université, B.P. 6202 Rabat-Instituts, Rabat, Morocco.
Weiwen LiangHKU-Pasteur Research Pole, School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region, People's Republic of China.
Yanqun WangState Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, First Affiliated Hospital of Guangzhou Medical University, Guangzhou, People's Republic of China.
John M NichollsDepartment of Pathology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong Special Administrative Region, People's Republic of China.ORCID https://orcid.org/0000-0001-7217-7444
Jincun ZhaoState Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, First Affiliated Hospital of Guangzhou Medical University, Guangzhou, People's Republic of China.
Michael C W ChanSchool of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong (HKU), Pokfulam, Hong Kong Special Administrative Region, People's Republic of China.
Leo L M PoonSchool of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong (HKU), Pokfulam, Hong Kong Special Administrative Region, People's Republic of China.
Chris Ka Pun MokHKU-Pasteur Research Pole, School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region, People's Republic of China; kapunmok@cuhk.edu.hk malik@hku.hk.ORCID https://orcid.org/0000-0002-0525-6772
Malik PeirisSchool of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong (HKU), Pokfulam, Hong Kong Special Administrative Region, People's Republic of China; kapunmok@cuhk.edu.hk malik@hku.hk.
HKU-Pasteur Research Pole · HKFood and Agriculture Organization of the United Nations · ITKenya Wildlife Service · KEFirst Affiliated Hospital of Guangzhou Medical University · CNNational Veterinary Institute · ETAfrican Union · ETCentre de Coopération Internationale en Recherche Agronomique pour le Développement · FRCentre National de la Recherche Scientifique · FRCentre National de la Recherche Scientifique et Technologique · BFChinese University of Hong Kong · HKInstitut Agronomique et Vétérinaire Hassan II · MAUniversity of Hong Kong · HK

Funding

Emerging infections: surveillance, epidemiology and pathogenesisU01AI151810 · NIAID · WASHINGTON UNIVERSITY · PI Adrianus CM Boon, DAVID WANG · 2020 to 2026
$10.0M
NIAID NIH HHS HHSN272201400006CNIAID NIH HHS U01 AI151810
6 · The paper itself

Abstract

Coronaviruses are pathogens of pandemic potential. Middle East respiratory syndrome coronavirus (MERS-CoV) causes a zoonotic respiratory disease of global public health concern, and dromedary camels are the only proven source of zoonotic infection. More than 70% of MERS-CoV-infected dromedaries are found in East, North, and West Africa, but zoonotic MERS disease is only reported from the Arabian Peninsula. We compared viral replication competence of clade A and B viruses from the Arabian Peninsula with genetically diverse clade C viruses found in East (Egypt, Kenya, and Ethiopia), North (Morocco), and West (Nigeria and Burkina Faso) Africa. Viruses from Africa had lower replication competence in ex vivo cultures of the human lung and in lungs of experimentally infected human-DPP4 (hDPP4) knockin mice. We used lentivirus pseudotypes expressing MERS-CoV spike from Saudi Arabian clade A prototype strain (EMC) or African clade C1.1 viruses and demonstrated that clade C1.1 spike was associated with reduced virus entry into the respiratory epithelial cell line Calu-3. Isogenic EMC viruses with spike protein from EMC or clade C1.1 generated by reverse genetics showed that the clade C1.1 spike was associated with reduced virus replication competence in Calu-3 cells in vitro, in ex vivo human bronchus, and in lungs of hDPP4 knockin mice in vivo. These findings may explain why zoonotic MERS disease has not been reported from Africa so far, despite exposure to and infection with MERS-CoV.

Indexed as

AfricaAnimalsArabiaCell LineDipeptidyl Peptidase 4Gene Knock-In TechniquesHumansKineticsMiddle East Respiratory Syndrome CoronavirusPhenotypePhylogenySpike Glycoprotein, CoronavirusVirus ReplicationZoonosesDipeptidyl Peptidase 4DPP4 protein, humanSpike Glycoprotein, CoronavirusAfricacharacterizationcoronavirusesMERS-CoVphenotype

Identifiers

PMID34099577
PMCPMC8237650
OpenAlexW3172733094

What OpenQuestion holds

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LicenceCC BY-NC-ND
Read underepoch 390

Registered trials

None linked

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.