Statement in support of the scientists, public health professionals, and medical professionals of China combatting COVID-19

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Abstract

We are public health scientists who have closely followed the emergence of 2019 novel coronavirus disease (COVID-19) and are deeply concerned about its impact on global health and wellbeing. We have watched as the scientists, public health professionals, and medical professionals of China, in particular, have worked diligently and effectively to rapidly identify the pathogen behind this outbreak, put in place significant measures to reduce its impact, and share their results transparently with the global health community. This effort has been remarkable. We sign this statement in solidarity with all scientists and health professionals in China who continue to save lives and protect global health during the challenge of the COVID-19 outbreak. We are all in this together, with our Chinese counterparts in the forefront, against this new viral threat. The rapid, open, and transparent sharing of data on this outbreak is now being threatened by rumours and misinformation around its origins. We stand together to strongly condemn conspiracy theories suggesting that COVID-19 does not have a natural origin. Scientists from multiple countries have published and analysed genomes of the causative agent, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), 1 and they overwhelmingly conclude that this coronavirus originated in wildlife,2, 3, 4, 5, 6, 7, 8, 9, 10 as have so many other emerging pathogens.11, 12 This is further supported by a letter from the presidents of the US National Academies of Science, Engineering, and Medicine 13 and by the scientific communities they represent. Conspiracy theories do nothing but create fear, rumours, and prejudice that jeopardise our global collaboration in the fight against this virus. We support the call from the Director-General of WHO to promote scientific evidence and unity over misinformation and conjecture. 14 We want you, the science and health professionals of China, to know that we stand with you in your fight against this virus. We invite others to join us in supporting the scientists, public health professionals, and medical professionals of Wuhan and across China. Stand with our colleagues on the frontline!

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Most cited references 8

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A Novel Coronavirus from Patients with Pneumonia in China, 2019

Na Zhu, Dingyu Zhang, Wenling Wang … (2020)

Summary In December 2019, a cluster of patients with pneumonia of unknown cause was linked to a seafood wholesale market in Wuhan, China. A previously unknown betacoronavirus was discovered through the use of unbiased sequencing in samples from patients with pneumonia. Human airway epithelial cells were used to isolate a novel coronavirus, named 2019-nCoV, which formed a clade within the subgenus sarbecovirus, Orthocoronavirinae subfamily. Different from both MERS-CoV and SARS-CoV, 2019-nCoV is the seventh member of the family of coronaviruses that infect humans. Enhanced surveillance and further investigation are ongoing. (Funded by the National Key Research and Development Program of China and the National Major Project for Control and Prevention of Infectious Disease in China.)

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A pneumonia outbreak associated with a new coronavirus of probable bat origin

Peng Zhou, Xing-Lou Yang, Xian-Guang Wang … (2020)

Since the outbreak of severe acute respiratory syndrome (SARS) 18 years ago, a large number of SARS-related coronaviruses (SARSr-CoVs) have been discovered in their natural reservoir host, bats 1–4 . Previous studies have shown that some bat SARSr-CoVs have the potential to infect humans 5–7 . Here we report the identification and characterization of a new coronavirus (2019-nCoV), which caused an epidemic of acute respiratory syndrome in humans in Wuhan, China. The epidemic, which started on 12 December 2019, had caused 2,794 laboratory-confirmed infections including 80 deaths by 26 January 2020. Full-length genome sequences were obtained from five patients at an early stage of the outbreak. The sequences are almost identical and share 79.6% sequence identity to SARS-CoV. Furthermore, we show that 2019-nCoV is 96% identical at the whole-genome level to a bat coronavirus. Pairwise protein sequence analysis of seven conserved non-structural proteins domains show that this virus belongs to the species of SARSr-CoV. In addition, 2019-nCoV virus isolated from the bronchoalveolar lavage fluid of a critically ill patient could be neutralized by sera from several patients. Notably, we confirmed that 2019-nCoV uses the same cell entry receptor—angiotensin converting enzyme II (ACE2)—as SARS-CoV.

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Genomic characterisation and epidemiology of 2019 novel coronavirus: implications for virus origins and receptor binding

Roujian Lu, Xiang Zhao, Juan Li … (2021)

Summary Background In late December, 2019, patients presenting with viral pneumonia due to an unidentified microbial agent were reported in Wuhan, China. A novel coronavirus was subsequently identified as the causative pathogen, provisionally named 2019 novel coronavirus (2019-nCoV). As of Jan 26, 2020, more than 2000 cases of 2019-nCoV infection have been confirmed, most of which involved people living in or visiting Wuhan, and human-to-human transmission has been confirmed. Methods We did next-generation sequencing of samples from bronchoalveolar lavage fluid and cultured isolates from nine inpatients, eight of whom had visited the Huanan seafood market in Wuhan. Complete and partial 2019-nCoV genome sequences were obtained from these individuals. Viral contigs were connected using Sanger sequencing to obtain the full-length genomes, with the terminal regions determined by rapid amplification of cDNA ends. Phylogenetic analysis of these 2019-nCoV genomes and those of other coronaviruses was used to determine the evolutionary history of the virus and help infer its likely origin. Homology modelling was done to explore the likely receptor-binding properties of the virus. Findings The ten genome sequences of 2019-nCoV obtained from the nine patients were extremely similar, exhibiting more than 99·98% sequence identity. Notably, 2019-nCoV was closely related (with 88% identity) to two bat-derived severe acute respiratory syndrome (SARS)-like coronaviruses, bat-SL-CoVZC45 and bat-SL-CoVZXC21, collected in 2018 in Zhoushan, eastern China, but were more distant from SARS-CoV (about 79%) and MERS-CoV (about 50%). Phylogenetic analysis revealed that 2019-nCoV fell within the subgenus Sarbecovirus of the genus Betacoronavirus, with a relatively long branch length to its closest relatives bat-SL-CoVZC45 and bat-SL-CoVZXC21, and was genetically distinct from SARS-CoV. Notably, homology modelling revealed that 2019-nCoV had a similar receptor-binding domain structure to that of SARS-CoV, despite amino acid variation at some key residues. Interpretation 2019-nCoV is sufficiently divergent from SARS-CoV to be considered a new human-infecting betacoronavirus. Although our phylogenetic analysis suggests that bats might be the original host of this virus, an animal sold at the seafood market in Wuhan might represent an intermediate host facilitating the emergence of the virus in humans. Importantly, structural analysis suggests that 2019-nCoV might be able to bind to the angiotensin-converting enzyme 2 receptor in humans. The future evolution, adaptation, and spread of this virus warrant urgent investigation. Funding National Key Research and Development Program of China, National Major Project for Control and Prevention of Infectious Disease in China, Chinese Academy of Sciences, Shandong First Medical University.

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Author and article information

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Charles Calisher

Journal

Journal ID (nlm-ta): Lancet

Journal ID (iso-abbrev): Lancet

Title: Lancet (London, England)

Publisher: Elsevier Ltd.

ISSN (Print): 0140-6736

ISSN (Electronic): 1474-547X

Publication date PMC-release: 19 February 2020

Publication date (Print): 7-13 March 2020

Publication date (Electronic): 19 February 2020

Volume: 395

Issue: 10226

Pages: e42-e43

Affiliations

[a ]Colorado State University, Fort Collins, CO, USA

[b ]Scowcroft Institute of International Affairs, Texas A&M, College Station, TX, USA

[c ]University of Maryland, College Park, MD, USA

[d ]NEIDL Institute, Boston, MA, USA

[e ]Boston University, Boston, MA, USA

[f ]EcoHealth Alliance, New York, NY, USA

[g ]Charité – Universitatsmedizin Berlin, Berlin, Germany

[h ]National Center of Biotechnology, Madrid, Spain

[i ]The Wellcome Trust, London, UK

[j ]School of Veterinary Science, The University of Queensland, Brisbane, QLD, Australia

[k ]Leiden University Medical Center, Leiden, Netherlands

[l ]Erasmus Medical Center, Rotterdam, Netherlands

[m ]Emory University, Atlanta, GA, USA

[n ]World Organization for Animal Health (OIE) Working Group on Wildlife, New York, NY, USA

[o ]University of Malaya, Kuala Lumpur, Malaysia

[p ]Food and Agriculture Organization of the United Nations, Rome, Italy

[q ]Curtin University, Perth, WA, Australia

[r ]Massachusetts Medical School, Worcester, MA, USA

[s ]University of California at Davis, Davis, CA, USA

[t ]Department of Microbiology, Icahn School of Medicine, Mt Sinai Hospital, New York, NY, USA

[u ]University of Iowa, Roy J and Lucille A Carver College of Medicine, Iowa City, IA, USA

[v ]The University of Hong Kong, Hong Kong

[w ]University of Chicago, Chigaco, IL, USA

[x ]The Ohio State University, Columbus, OH, USA

[y ]The University of Melbourne, Melboune, VIC, Australia

Article

Publisher ID: S0140-6736(20)30418-9

DOI: 10.1016/S0140-6736(20)30418-9

PMC ID: 7159294

PubMed ID: 32087122

SO-VID: cd036580-400c-4f53-9320-ea31841fdae0

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Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

Statement in support of the scientists, public health professionals, and medical professionals of China combatting COVID-19

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Novel Coronavirus Disease COVID-19

Most cited references 8

A Novel Coronavirus from Patients with Pneumonia in China, 2019

A pneumonia outbreak associated with a new coronavirus of probable bat origin

Genomic characterisation and epidemiology of 2019 novel coronavirus: implications for virus origins and receptor binding

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