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Spassiani I, Sebastiani G, Palù G. Spatiotemporal Analysis of COVID-19 Incidence Data. Viruses 2021; 13:463. [PMID: 33799900 PMCID: PMC8001833 DOI: 10.3390/v13030463] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 03/05/2021] [Accepted: 03/08/2021] [Indexed: 01/08/2023] Open
Abstract
(1) Background: A better understanding of COVID-19 dynamics in terms of interactions among individuals would be of paramount importance to increase the effectiveness of containment measures. Despite this, the research lacks spatiotemporal statistical and mathematical analysis based on large datasets. We describe a novel methodology to extract useful spatiotemporal information from COVID-19 pandemic data. (2) Methods: We perform specific analyses based on mathematical and statistical tools, like mathematical morphology, hierarchical clustering, parametric data modeling and non-parametric statistics. These analyses are here applied to the large dataset consisting of about 19,000 COVID-19 patients in the Veneto region (Italy) during the entire Italian national lockdown. (3) Results: We estimate the COVID-19 cumulative incidence spatial distribution, significantly reducing image noise. We identify four clusters of connected provinces based on the temporal evolution of the incidence. Surprisingly, while one cluster consists of three neighboring provinces, another one contains two provinces more than 210 km apart by highway. The survival function of the local spatial incidence values is modeled here by a tapered Pareto model, also used in other applied fields like seismology and economy in connection to networks. Model's parameters could be relevant to describe quantitatively the epidemic. (4) Conclusion: The proposed methodology can be applied to a general situation, potentially helping to adopt strategic decisions such as the restriction of mobility and gatherings.
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Affiliation(s)
- Ilaria Spassiani
- Istituto Nazionale di Geofisica e Vulcanologia, Via di Vigna Murata 605, 00143 Rome, Italy;
| | - Giovanni Sebastiani
- Istituto Nazionale di Geofisica e Vulcanologia, Via di Vigna Murata 605, 00143 Rome, Italy;
- Istituto per le Applicazioni del Calcolo Mauro Picone, Consiglio Nazionale delle Ricerche, Via dei Taurini 19, 00185 Rome, Italy
- Mathematics Department “Guido Castelnuovo”, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
- Department of Mathematics and Statistics, University of Tromsø, H. Hansens veg 18, 9019 Tromsø, Norway
| | - Giorgio Palù
- Department of Molecular Medicine, University of Padua, Via Gabelli 63, 35121 Padua, Italy;
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Yang CW, Chen MF. Low compositions of human toll-like receptor 7/8-stimulating RNA motifs in the MERS-CoV, SARS-CoV and SARS-CoV-2 genomes imply a substantial ability to evade human innate immunity. PeerJ 2021; 9:e11008. [PMID: 33665043 PMCID: PMC7912611 DOI: 10.7717/peerj.11008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Accepted: 02/03/2021] [Indexed: 12/17/2022] Open
Abstract
Background The innate immune system especially Toll-like receptor (TLR) 7/8 and the interferon pathway, constitutes an important first line of defense against single-stranded RNA viruses. However, large-scale, systematic comparisons of the TLR 7/8-stimulating potential of genomic RNAs of single-stranded RNA viruses are rare. In this study, a computational method to evaluate the human TLR 7/8-stimulating ability of single-stranded RNA virus genomes based on their human TLR 7/8-stimulating trimer compositions was used to analyze 1,002 human coronavirus genomes. Results The human TLR 7/8-stimulating potential of coronavirus genomic (positive strand) RNAs followed the order of NL63-CoV > HKU1-CoV >229E-CoV ≅ OC63-CoV > SARS-CoV-2 > MERS-CoV > SARS-CoV. These results suggest that among these coronaviruses, MERS-CoV, SARS-CoV and SARS-CoV-2 may have a higher ability to evade the human TLR 7/8-mediated innate immune response. Analysis with a logistic regression equation derived from human coronavirus data revealed that most of the 1,762 coronavirus genomic (positive strand) RNAs isolated from bats, camels, cats, civets, dogs and birds exhibited weak human TLR 7/8-stimulating potential equivalent to that of the MERS-CoV, SARS-CoV and SARS-CoV-2 genomic RNAs. Conclusions Prediction of the human TLR 7/8-stimulating potential of viral genomic RNAs may be useful for surveillance of emerging coronaviruses from nonhuman mammalian hosts.
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Affiliation(s)
- Chu-Wen Yang
- Department of Microbiology, Center for Applied Artificial Intelligence Research, Soochow University, Taipei, Taiwan
| | - Mei-Fang Chen
- Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan
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Ursachi CȘ, Munteanu FD, Cioca G. The Safety of Slaughterhouse Workers during the Pandemic Crisis. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:2633. [PMID: 33807936 PMCID: PMC7967316 DOI: 10.3390/ijerph18052633] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 02/22/2021] [Accepted: 03/01/2021] [Indexed: 12/23/2022]
Abstract
The working conditions in a slaughterhouse are difficult because of the low temperatures, high humidity, and little natural light. Therefore, in these facilities, there is a high demand in the maintenance of strict hygiene rules. Lately, the new SARS-CoV-2 pandemic situation has brought new challenges in the meat industry, as this sector has to maintain its operability to supply the meat and meat products demanded by the consumers. In this challenging period, the safety of the workers is as important as keeping the high demands for the safety of the meat and meat products along with consumer confidence. This paper aims to give an overview of the risks associated with the SARS-CoV-2 virus transmission between the workers in slaughterhouses and to evaluate the stability and infectivity in the working environment of these facilities. Considering the persistence of this virus on different surfaces and the environmental conditions affecting its stability (temperature, relative humidity, and natural light), in the study we proposed several short-, medium-, and long-term preventive measures for minimizing the potential threats of the actual pandemic.
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Affiliation(s)
- Claudiu Ștefan Ursachi
- Faculty of Food Engineering, Tourism and Environmental Protection, “Aurel Vlaicu” University of Arad, 2-4 E. Drăgoi Str., 310330 Arad, Romania;
| | - Florentina-Daniela Munteanu
- Faculty of Food Engineering, Tourism and Environmental Protection, “Aurel Vlaicu” University of Arad, 2-4 E. Drăgoi Str., 310330 Arad, Romania;
| | - Gabriela Cioca
- Preclinical Department, Faculty of Medicine, Lucian Blaga University of Sibiu, 550024 Sibiu, Romania;
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Li Y, Ji D, Cai W, Hu Y, Bai Y, Wu J, Xu J. Clinical characteristics, cause analysis and infectivity of COVID-19 nucleic acid repositive patients: A literature review. J Med Virol 2021; 93:1288-1295. [PMID: 32890414 PMCID: PMC7894340 DOI: 10.1002/jmv.26491] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 09/02/2020] [Accepted: 09/03/2020] [Indexed: 12/28/2022]
Abstract
Coronavirus disease 2019 (COVID-19) poses a serious threat to human health and lives. The virus is still spreading throughout the world, and the cumulative number of confirmed cases is increasing. After patients with COVID-19 are treated and discharged, some have repeated clinical symptoms and become positive for nucleic acid tests a second time. Through analysis and review of the existing literature, the proportion of repositive patients in the discharged patient population and their clinical characteristics were systematically described for the first time. Furthermore, an in-depth analysis of the causes of repositive nucleic acid tests and the potential transmission of the disease provides the basis for the management and protection of discharged patients with COVID-19.
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Affiliation(s)
- Youjiang Li
- The Department of Clinical Laboratory, The Fourth Affiliated HospitalZhejiang University School of MedicineYiwuZhejiangChina
| | - Danping Ji
- The Department of Obstetrics and GynecologyShangxi District Medical Community of Yiwu Central HospitalYiwuZhejiangChina
| | - Wangyu Cai
- The Department of Obstetrics and Gynecology, The Fourth Affiliated HospitalZhejiang University School of MedicineYiwuZhejiangChina
| | - Yingying Hu
- The Department of Obstetrics and Gynecology, The Fourth Affiliated HospitalZhejiang University School of MedicineYiwuZhejiangChina
| | - Yongying Bai
- The Department of Clinical Laboratory, Women's HospitalZhejiang University School of MedicineHangzhouChina
| | - Jianguo Wu
- The Department of Clinical Laboratory, The Fourth Affiliated HospitalZhejiang University School of MedicineYiwuZhejiangChina
| | - Jian Xu
- The Department of Obstetrics and Gynecology, The Fourth Affiliated HospitalZhejiang University School of MedicineYiwuZhejiangChina
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Younis NK, Zareef RO, Maktabi MAN, Mahfouz R. The Era of the Coronavirus Disease 2019 Pandemic: A Review on Dynamics, Clinical Symptoms and Complications, Diagnosis, and Treatment. Genet Test Mol Biomarkers 2021; 25:85-101. [PMID: 33596144 DOI: 10.1089/gtmb.2020.0227] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Coronavirus disease 2019 (COVID-19) displays a broad spectrum of clinical presentations ranging from lack of symptoms to severe multiorgan system complications and death. Various laboratory assays have been employed in the diagnosis of COVID-19, including: nucleic acid-based tests; antigen tests; and serum testing for anti-severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) antibodies. The disease can also be diagnosed based on suggestive clinical features and radiological findings. Until now, remdesivir is the only medication approved for the treatment of COVID-19 by the U.S. Food and Drug Administration (FDA); however, it is anticipated that several anti-SARS-CoV-2 monoclonal antibodies will gain soon approval. Other methods of treatment include supportive care directed toward treating the symptoms. Nevertheless, many studies have recently emerged, showing controversial preliminary results with the off-label medication hydroxychloroquine. Given that all results are still preliminary, including those seen by remdesivir, additional evidence and research are required to identify effective medications that are broadly effective and well tolerated. Importantly, two RNA-based vaccines have recently gained approval from Pfizer and Moderna, with many others still in clinical trials. This article reviews various aspects of COVID-19, including its epidemiology; its evolution and mutational spectrum; and its clinical dynamics, symptoms and complications, diagnosis, and treatment.
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Affiliation(s)
- Nour K Younis
- Department of Pathology and Laboratory Medicine, Faculty of Medicine, American University of Beirut Medical Center, Beirut, Lebanon
| | - Rana O Zareef
- Department of Pathology and Laboratory Medicine, Faculty of Medicine, American University of Beirut Medical Center, Beirut, Lebanon
| | - Mohammad Ali N Maktabi
- Department of Pathology and Laboratory Medicine, Faculty of Medicine, American University of Beirut Medical Center, Beirut, Lebanon
| | - Rami Mahfouz
- Department of Pathology and Laboratory Medicine, American University of Beirut Medical Center, Beirut, Lebanon
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Cegolon L, Mirandola M, Salaris C, Salvati MV, Mastrangelo G, Salata C. Hypothiocyanite and Hypothiocyanite/Lactoferrin Mixture Exhibit Virucidal Activity In Vitro against SARS-CoV-2. Pathogens 2021; 10:pathogens10020233. [PMID: 33669635 PMCID: PMC7922920 DOI: 10.3390/pathogens10020233] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 02/16/2021] [Accepted: 02/17/2021] [Indexed: 12/18/2022] Open
Abstract
SARS-CoV-2 replicates efficiently in the upper airways during the prodromal stage, resulting in environmental viral shedding from patients with active COVID-19 as well as from asymptomatic individuals. There is a need to find pharmacological interventions to mitigate the spread of COVID-19. Hypothiocyanite and lactoferrin are molecules of the innate immune system with a large spectrum cidal activity. The Food and Drug Administration and the European Medicines Agency designated the hypothiocyanite and lactoferrin combination as an orphan drug. We report an in vitro study showing that micromolar concentrations of hypothiocyanite exhibit dose- and time-dependent virucidal activity against SARS-CoV-2 and that the latter is slightly enhanced by the simultaneous presence of lactoferrin.
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Affiliation(s)
- Luca Cegolon
- Public Health Department, Local Health Unit N.2 “Marca Trevigiana”, 31100 Treviso, Italy
- Correspondence: (L.C.); (C.S.); Tel.: +39-(0)4-9827-2364 (L.C. & C.S.); Fax: +39-(0)4-9827-2355 (L.C. & C.S.)
| | - Mattia Mirandola
- Department of Molecular Medicine, University of Padova, 35121 Padova, Italy; (M.M.); (C.S.); (M.V.S.)
| | - Claudio Salaris
- Department of Molecular Medicine, University of Padova, 35121 Padova, Italy; (M.M.); (C.S.); (M.V.S.)
| | - Maria Vittoria Salvati
- Department of Molecular Medicine, University of Padova, 35121 Padova, Italy; (M.M.); (C.S.); (M.V.S.)
| | - Giuseppe Mastrangelo
- Department of Cardiac, Thoracic, Vascular Sciences & Public Health, University of Padova, 35121 Padova, Italy;
| | - Cristiano Salata
- Department of Molecular Medicine, University of Padova, 35121 Padova, Italy; (M.M.); (C.S.); (M.V.S.)
- Correspondence: (L.C.); (C.S.); Tel.: +39-(0)4-9827-2364 (L.C. & C.S.); Fax: +39-(0)4-9827-2355 (L.C. & C.S.)
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Epidemiology of COVID-19 cases diagnosed at quarantine facilities in Paraguay. SCIENTIA MEDICA 2021. [DOI: 10.15448/1980-6108.2021.1.39374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
Aims: This study aimed to describe the epidemiological characteristics of COVID-19 cases diagnosed in quarantine facilities in Paraguay.Methods: This was a descriptive, cross-sectional, temporarily retrospective study. The time scope was from April 1 to September 30 2020. The variables were sex, age and administrative departments. The open access data available on the website of the Ministry of Public Health and Social Welfare was used. Frequencies expressed in percentages and the Chi square value were calculated to observe the statistically significant differences between cases and age and sex.Results: from April 4 to September 30 2020, 1.581 cases were diagnosed in COVID-19. The fewest number of positive cases were reported in April (50) and the highest number was reported in May (628). From the total, 69.6% (1.101) were male, (male / female ratio 2.3), 42.1% (666) were aged between 20-29 years, the average age was 30.23 years (range 0 to 87, standard deviation 14.66. 95% CI 1.5 - 58.95). The departments with the highest number of cases were Caaguazú 21.7 % (343), Alto Paraná 17.3 % (274), Central 13.3% (210) and Asunción 11.4% (180). The least number of cases of COVID-10 in women were registered in the Departments of Amambay, Pdte. Hayes, Ñeembucú and Boquerón, and in men the Departments of Ñeembucú and Boquerón. The largest number of male cases were registered in Caaguazú 70.8% (243), Alto Paraná 66.1% (181), Central 69.5% (146) and Asunción 68.9% (124). The number of Covid-19 infected people in quarantine facilities presented statistically significant differences between the variables sex and age.Conclusion: the quarantine facilities are one of the measures that the Paraguayan government needed to avoid the rapid spread and dispersion of the virus. The epidemiology of the cases diagnosed in them corresponds to what was expected according to the characteristics of the country.
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Coronavirus disease 2019 (COVID-19): survival analysis using deep learning and Cox regression model. Pattern Anal Appl 2021; 24:993-1005. [PMID: 33613099 PMCID: PMC7883884 DOI: 10.1007/s10044-021-00958-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Accepted: 01/24/2021] [Indexed: 11/04/2022]
Abstract
Coronavirus (COVID-19) is one of the most serious problems that has caused stopping the wheel of life all over the world. It is widely spread to the extent that hospital places are not available for all patients. Therefore, most hospitals accept patients whose recovery rate is high. Machine learning techniques and artificial intelligence have been deployed for computing infection risks, performing survival analysis and classification. Survival analysis (time-to-event analysis) is widely used in many areas such as engineering and medicine. This paper presents two systems, Cox_COVID_19 and Deep_ Cox_COVID_19 that are based on Cox regression to study the survival analysis for COVID-19 and help hospitals to choose patients with better chances of survival and predict the most important symptoms (features) affecting survival probability. Cox_COVID_19 is based on Cox regression and Deep_Cox_COVID_19 is a combination of autoencoder deep neural network and Cox regression to enhance prediction accuracy. A clinical dataset for COVID-19 patients is used. This dataset consists of 1085 patients. The results show that applying an autoencoder on the data to reconstruct features, before applying Cox regression algorithm, would improve the results by increasing concordance, accuracy and precision. For Deep_ Cox_COVID_19 system, it has a concordance of 0.983 for training and 0.999 for testing, but for Cox_COVID_19 system, it has a concordance of 0.923 for training and 0.896 for testing. The most important features affecting mortality are, age, muscle pain, pneumonia and throat pain. Both Cox_COVID_19 and Deep_ Cox_COVID_19 prediction systems can predict the survival probability and present significant symptoms (features) that differentiate severe cases and death cases. But the accuracy of Deep_Cox_Covid_19 outperforms that of Cox_Covid_19. Both systems can provide definite information for doctors about detection and intervention to be taken, which can reduce mortality.
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Borbone N, Piccialli G, Roviello GN, Oliviero G. Nucleoside Analogs and Nucleoside Precursors as Drugs in the Fight against SARS-CoV-2 and Other Coronaviruses. Molecules 2021; 26:986. [PMID: 33668428 PMCID: PMC7918729 DOI: 10.3390/molecules26040986] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 02/08/2021] [Accepted: 02/10/2021] [Indexed: 01/18/2023] Open
Abstract
Coronaviruses (CoVs) are positive-sense RNA enveloped viruses, members of the family Coronaviridae, that cause infections in a broad range of mammals including humans. Several CoV species lead to mild upper respiratory infections typically associated with common colds. However, three human CoV (HCoV) species: Severe Acute Respiratory Syndrome (SARS)-CoV-1, Middle East Respiratory Syndrome (MERS)-CoV, and SARS-CoV-2, are responsible for severe respiratory diseases at the origin of two recent epidemics (SARS and MERS), and of the current COronaVIrus Disease 19 (COVID-19), respectively. The easily transmissible SARS-CoV-2, emerging at the end of 2019 in China, spread rapidly worldwide, leading the World Health Organization (WHO) to declare COVID-19 a pandemic. While the world waits for mass vaccination, there is an urgent need for effective drugs as short-term weapons to combat the SARS-CoV-2 infection. In this context, the drug repurposing approach is a strategy able to guarantee positive results rapidly. In this regard, it is well known that several nucleoside-mimicking analogs and nucleoside precursors may inhibit the growth of viruses providing effective therapies for several viral diseases, including HCoV infections. Therefore, this review will focus on synthetic nucleosides and nucleoside precursors active against different HCoV species, paying great attention to SARS-CoV-2. This work covers progress made in anti-CoV therapy with nucleoside derivatives and provides insight into their main mechanisms of action.
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Affiliation(s)
- Nicola Borbone
- Department of Pharmacy, University of Naples Federico II, Via Domenico Montesano 49, 80131 Naples, Italy; (N.B.); (G.P.)
| | - Gennaro Piccialli
- Department of Pharmacy, University of Naples Federico II, Via Domenico Montesano 49, 80131 Naples, Italy; (N.B.); (G.P.)
| | | | - Giorgia Oliviero
- Department of Molecular Medicine and Medical Biotechnologies, University of Napoli Federico II, Via Sergio Pansini 5, 80131 Naples, Italy;
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Ellwanger JH, Veiga ABGD, Kaminski VDL, Valverde-Villegas JM, Freitas AWQD, Chies JAB. Control and prevention of infectious diseases from a One Health perspective. Genet Mol Biol 2021; 44:e20200256. [PMID: 33533395 PMCID: PMC7856630 DOI: 10.1590/1678-4685-gmb-2020-0256] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Accepted: 12/18/2020] [Indexed: 12/18/2022] Open
Abstract
The ongoing COVID-19 pandemic has caught the attention of the global community and rekindled the debate about our ability to prevent and manage outbreaks, epidemics, and pandemics. Many alternatives are suggested to address these urgent issues. Some of them are quite interesting, but with little practical application in the short or medium term. To realistically control infectious diseases, human, animal, and environmental factors need to be considered together, based on the One Health perspective. In this article, we highlight the most effective initiatives for the control and prevention of infectious diseases: vaccination; environmental sanitation; vector control; social programs that encourage a reduction in the population growth; control of urbanization; safe sex stimulation; testing; treatment of sexually and vertically transmitted infections; promotion of personal hygiene practices; food safety and proper nutrition; reduction of the human contact with wildlife and livestock; reduction of social inequalities; infectious disease surveillance; and biodiversity preservation. Subsequently, this article highlights the impacts of human genetics on susceptibility to infections and disease progression, using the SARS-CoV-2 infection as a study model. Finally, actions focused on mitigation of outbreaks and epidemics and the importance of conservation of ecosystems and translational ecology as public health strategies are also discussed.
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Affiliation(s)
- Joel Henrique Ellwanger
- Universidade Federal do Rio Grande do Sul - UFRGS, Departamento de Genética, Laboratório de Imunobiologia e Imunogenética, Porto Alegre, RS, Brazil
- Universidade Federal do Rio Grande do Sul - UFRGS, Departamento de Genética, Programa de Pós-Graduação em Genética e Biologia Molecular - PPGBM, Porto Alegre, RS, Brazil
| | | | - Valéria de Lima Kaminski
- Universidade Federal de São Paulo - UNIFESP, Instituto de Ciência e Tecnologia - ICT, Laboratório de Imunologia Aplicada, Programa de Pós-Graduação em Biotecnologia, São José dos Campos, SP, Brazil
| | - Jacqueline María Valverde-Villegas
- Universidade Federal do Rio Grande do Sul - UFRGS, Departamento de Genética, Laboratório de Imunobiologia e Imunogenética, Porto Alegre, RS, Brazil
- Institut de Génétique Moléculaire de Montpellier (IGMM), Centre National de la Recherche Scientifique (CNRS), Laboratoire coopératif IGMM/ABIVAX, UMR 5535, Montpellier, France
| | - Abner Willian Quintino de Freitas
- Universidade Federal de Ciências da Saúde de Porto Alegre - UFCSPA, Programa de Pós-Graduação em Tecnologias da Informação e Gestão em Saúde, Porto Alegre, RS, Brazil
| | - José Artur Bogo Chies
- Universidade Federal do Rio Grande do Sul - UFRGS, Departamento de Genética, Laboratório de Imunobiologia e Imunogenética, Porto Alegre, RS, Brazil
- Universidade Federal do Rio Grande do Sul - UFRGS, Departamento de Genética, Programa de Pós-Graduação em Genética e Biologia Molecular - PPGBM, Porto Alegre, RS, Brazil
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Mbogo RW, Orwa TO. SARS-COV-2 outbreak and control in Kenya - Mathematical model analysis. Infect Dis Model 2021; 6:370-380. [PMID: 33527092 PMCID: PMC7839834 DOI: 10.1016/j.idm.2021.01.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 01/08/2021] [Accepted: 01/17/2021] [Indexed: 01/22/2023] Open
Abstract
The coronavirus disease 2019 (COVID-19) pandemic reached Kenya in March 2020 with the initial cases reported in the capital city Nairobi and in the coastal area Mombasa. As reported by the World Health Organization, the outbreak of COVID-19 has spread across the world, killed many, collapsed economies and changed the way people live since it was first reported in Wuhan, China, in the end of 2019. As at the end of December 2020, it had led to over 2.8 million confirmed cases in Africa with over 67 thousand deaths. The trend poses a huge threat to global public health. Understanding the early transmission dynamics of the infection and evaluating the effectiveness of control measures is crucial for assessing the potential for sustained transmission to occur in new areas. We employed a SEIHCRD mathematical transmission model with reported Kenyan data on cases of COVID-19 to estimate how transmission varies over time. The model is concise in structure, and successfully captures the course of the COVID-19 outbreak, and thus sheds light on understanding the trends of the outbreak. The next generation matrix approach was adopted to calculate the basic reproduction number (R 0) from the model to assess the factors driving the infection. The model illustrates the effect of mass testing on COVID-19 as well as individual self initiated behavioral change. The results have significant impact on the management of COVID-19 and implementation of prevention policies. The results from the model analysis shows that aggressive and effective mass testing as well as individual self initiated behaviour change play a big role in getting rid of the COVID-19 epidemic otherwise the rate of infection will continue to increase despite the increased rate of recovery.
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Affiliation(s)
- Rachel Waema Mbogo
- Institute of Mathematical Sciences, Strathmore University, Box 59857 00200, Nairobi, Kenya
| | - Titus Okello Orwa
- Institute of Mathematical Sciences, Strathmore University, Box 59857 00200, Nairobi, Kenya
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Kari JA, Shalaby MA, Albanna AS, Alahmadi TS, Sukkar SA, MohamedNur HAH, AlGhamdi MS, Basri AH, Shagal RA, Alnajar A, Badawi M, Safdar OY, Zaher ZF, Temsah MH, Alhasan KA. Coronavirus disease in children: A multicentre study from the Kingdom of Saudi Arabia. J Infect Public Health 2021; 14:543-549. [PMID: 33756192 PMCID: PMC7981189 DOI: 10.1016/j.jiph.2021.01.011] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Revised: 01/07/2021] [Accepted: 01/11/2021] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND The COVID-19 global pandemic caused by severe acute respiratory syndrome coronavirus 2 infection, warranted attention for whether it has unique manifestations in children. Children tend to develop less severe disease with a small percentage present with clinical manifestations of paediatric multisystem inflammatory syndrome and have poor prognosis. We studied the characteristics of COVID-19 in children requiring hospitalisation in the Kingdom of Saudi Arabia and assessed the clinical presentation and the risk factors for mortality, morbidity, and paediatric intensive care (PICU) admission. METHODS We conducted a retrospective analysis of COVID-19 patients under 15 years hospitalised at three tertiary academic hospitals between 1 March and 30 June 2020. RESULTS Eighty-eight children were enrolled (>20% were infants). Seven (8%) were in critical condition and required PICU admission, and 4 (4.5%) died of which 3 met the full diagnostic criteria of multi-system inflammatory syndrome and had a high Paediatric Risk of Mortality (PRISM) score at the time of admission. The initial polymerase chain reaction (PCR) test result was positive for COVID-19 in most patients (97.7%), and the remaining two patients had positive result in the repeated confirmatory test. In a subset of patients (20 subjects), repeated PCR testing was performed until conversion to negative result, and the average duration for conversion was 8 (95% CI: 5.2-10.5) days Children requiring PICU admission presented with signs of respiratory distress, dehydration, and heart failure. Most had fever (71.4%) and tonsillitis; 61.4% were discharged within 7 days of hospitalisation. Risk factors for mortality included skin rash, hypotension, hypoxia, signs of heart failure, chest radiograph suggestive of acute respiratory distress syndrome, anaemia, leucocytosis, hypernatraemia, abnormal liver enzymes, and high troponin I, and risk factors for prolonged hospitalisation (>7 days) included the presence of comorbidities, leucopaenia, hyponatraemia, and elevated C-reactive protein. CONCLUSIONS The majority of hospitalised children had a brief febrile illness and made a full recovery, but a minority had severe disease.
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Affiliation(s)
- Jameela A Kari
- Paediatric Nephrology Centre of Excellence, Department of Paediatrics, King Abdulaziz University, Jeddah, Saudi Arabia.
| | - Mohamed A Shalaby
- Paediatric Nephrology Centre of Excellence, Department of Paediatrics, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Amr S Albanna
- King Abdullah International Medical Research Centre, King Saud Bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia
| | - Turki S Alahmadi
- Department of Paediatrics, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Samaher A Sukkar
- Department of Paediatrics, King Abdulaziz University, Jeddah, Saudi Arabia
| | | | - Manar S AlGhamdi
- Department of Paediatrics, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Afnan H Basri
- Department of Paediatrics, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Reem A Shagal
- Paediatrics Department, King Saud University, Riyadh, Saudi Arabia
| | - Abeer Alnajar
- Department of Paediatrics, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mazen Badawi
- Department of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Osama Y Safdar
- Paediatric Nephrology Centre of Excellence, Department of Paediatrics, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Zaher F Zaher
- Department of Paediatrics, King Abdulaziz University, Jeddah, Saudi Arabia
| | | | - Khalid A Alhasan
- Paediatrics Department, King Saud University, Riyadh, Saudi Arabia
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Siddique F, Abbas RZ, Mansoor MK, Alghamdi ES, Saeed M, Ayaz MM, Rahman M, Mahmood MS, Iqbal A, Manzoor M, Abbas A, Javaid A, Hussain I. An Insight Into COVID-19: A 21st Century Disaster and Its Relation to Immunocompetence and Food Antioxidants. Front Vet Sci 2021; 7:586637. [PMID: 33521076 PMCID: PMC7838355 DOI: 10.3389/fvets.2020.586637] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Accepted: 12/10/2020] [Indexed: 12/12/2022] Open
Abstract
Coronavirus Disease 2019 (COVID-19) ranks third in terms of fatal coronavirus diseases threatening public health, coming after SARS-CoV (severe acute respiratory syndrome coronavirus), and MERS-CoV (Middle East respiratory syndrome coronavirus). SARS-CoV-2 (severe acute respiratory syndrome coronavirus type 2) causes COVID-19. On January 30, 2020, the World Health Organization (WHO) announced that the current outbreak of COVID-19 is the sixth global health emergency. As of December 3, 2020, 64 million people worldwide have been affected by this malaise, and the global economy has experienced a loss of more than $1 trillion. SARS-CoV-2 is a positive-sense single-stranded RNA virus belonging to the Betacoronavirus genus. The high nucleotide sequence identity of SARS-CoV-2 with the BatCoV RaTG13 genome has indicated that bats could be the possible host of SARS-CoV-2. SARS-CoV-2 penetrates the host cell via binding its spike protein to the angiotensin-converting enzyme 2 (ACE2) receptor, which is similar to the mechanisms of SARS-CoV and MERS-CoV. COVID-19 can spread from person to person via respiratory droplets and airborne and contaminated fomites. Moreover, it poses a significant risk to smokers, the elderly, immunocompromised people, and those with preexisting comorbidities. Two main approaches are used to control viral infections, namely, vaccination, and biosecurity. Studies to analyze the antigenicity and immunogenicity of SARS-CoV-2 vaccine candidates are underway, and few vaccines may be available in the near future. In the current situation, the Human Biosecurity Emergency (HBE) may be the only way to cope effectively with the novel SARS-CoV-2 strain. Here, we summarize current knowledge on the origin of COVID-19 as well as its epidemiological relationship with humans and animals, genomic resemblance, immunopathogenesis, clinical-laboratory signs, diagnosis, control and prevention, and treatment. Moreover, we discuss the interventional effects of various nutrients on COVID-19 in detail. However, multiple possibilities are explored to fight COVID-19, and the greatest efforts targeted toward finding an effective vaccine in the near future. Furthermore, antioxidants, polyphenols, and flavonoids, both synthetic and natural, could play a crucial role in the fight against COVID-19.
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Affiliation(s)
- Faisal Siddique
- Department of Microbiology, Cholistan University of Veterinary and Animal Sciences, Bahawalpur, Pakistan
| | - Rao Zahid Abbas
- Department of Parasitology, University of Agriculture, Faisalabad, Pakistan
| | | | - Etab Saleh Alghamdi
- Department of Food and Nutrition, Faculty of Human Sciences and Design, King Abdul-Aziz University, Jeddah, Saudi Arabia
| | - Muhammad Saeed
- Department of Poultry Sciences, Cholistan University of Veterinary and Animal Sciences, Bahawalpur, Pakistan
| | - Muhammad Mazhar Ayaz
- Department of Parasitology, Cholistan University of Veterinary and Animal Sciences, Bahawalpur, Pakistan
| | - Moazur Rahman
- School of Biological Sciences, University of the Punjab, Lahore, Pakistan
| | | | - Asif Iqbal
- Department of Parasitology, Riphah International University, Lahore, Pakistan
| | - Maida Manzoor
- Institute of Microbiology, University of Agriculture, Faisalabad, Pakistan
| | - Asghar Abbas
- Department of Veterinary and Animal Sciences, Muhammad Nawaz Shareef University of Agriculture, Multan, Pakistan
| | - Asif Javaid
- Department of Animal Nutrition, Cholistan University of Veterinary and Animal Sciences, Bahawalpur, Pakistan
| | - Irshad Hussain
- Department of Microbiology, University of Veterinary and Animal Sciences, Lahore, Pakistan
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Yuen E, Gudis DA, Rowan NR, Nguyen SA, Schlosser RJ. Viral Infections of the Upper Airway in the Setting of COVID-19: A Primer for Rhinologists. Am J Rhinol Allergy 2021; 35:122-131. [PMID: 32762250 PMCID: PMC8685738 DOI: 10.1177/1945892420947929] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
BACKGROUND Viral respiratory tract infections are associated with a significant burden of disease and represent one of the leading causes of mortality worldwide. The current Coronavirus Disease 2019 (COVID-19) pandemic highlights the devastating toll that respiratory viruses have on humanity and the desperate need to understand the biological characteristics that define them in order to develop efficacious treatments and vaccines. To date, Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) has infected nearly 600 times more people and resulted in 200 times more deaths relative to Severe Acute Respiratory Syndrome Coronavirus (SARS-CoV) and Middle Eastern Respiratory Syndrome Coronavirus (MERS-CoV) combined. OBJECTIVE Through this review, we aim to summarize the key characteristics of respiratory viruses that hold global significance, with a focus on SARS-CoV-2. Our goal is to disseminate our current knowledge of these infectious agents to otolaryngologists, in particular rhinologists, practicing in the COVID-19 era. METHODS The general and clinical characteristics of selected respiratory viruses along with available viral treatments and vaccines are reviewed. RESULTS There has been significant progress in our understanding of the epidemiology and pathogenesis of various respiratory viruses. However, despite the advancement in knowledge, efficacious vaccines and antiviral treatments remain elusive for most respiratory viruses. The dire need for these scientific discoveries is highlighted by the recent COVID-19 pandemic, which has prompted investigators worldwide to conduct clinical trials at an accelerated timeline in an effort to reduce the morbidity and mortality associated with SARS-CoV-2 infection. Rhinologists will continue to remain on the front-lines of pandemics associated with respiratory viruses. CONCLUSION In light of these unprecedented times, the need to understand the nuances of these viral respiratory pathogens, especially SARS-CoV-2, cannot be overemphasized. This knowledge base is of particular importance to otolaryngologists, whose expertise in the upper airway coincides with the anatomic tropism of these infectious agents.
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Affiliation(s)
- Erick Yuen
- Department of Otolaryngology-Head and Neck Surgery, Medical University of South Carolina, Charleston, South Carolina
| | - David A Gudis
- Department of Otolaryngology-Head and Neck Surgery, Columbia University Irving Medical Center, New York, New York
| | - Nicholas R Rowan
- Department of Otolaryngology-Head and Neck Surgery, The Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Shaun A Nguyen
- Department of Otolaryngology-Head and Neck Surgery, Medical University of South Carolina, Charleston, South Carolina
| | - Rodney J Schlosser
- Department of Otolaryngology-Head and Neck Surgery, Medical University of South Carolina, Charleston, South Carolina
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da Silva PG, Mesquita JR, de São José Nascimento M, Ferreira VAM. Viral, host and environmental factors that favor anthropozoonotic spillover of coronaviruses: An opinionated review, focusing on SARS-CoV, MERS-CoV and SARS-CoV-2. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 750:141483. [PMID: 32829257 PMCID: PMC7405882 DOI: 10.1016/j.scitotenv.2020.141483] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Revised: 07/31/2020] [Accepted: 08/03/2020] [Indexed: 05/21/2023]
Abstract
Environmental factors play a key role in the zoonotic transmission of emerging pathogenic viruses as mankind is constantly disturbing wildlife's ecosystems usually by cutting down forests to build human settlements or by catching wild animals for food, which deprives the viruses of their natural hosts and gives them opportunity to infect humans. In December 2019, a new coronavirus emerged from bats and was named SARS-CoV-2 by the International Committee for Taxonomy of Viruses, and the disease it causes named COVID-19 by the World Health Organization. Disease outbreaks such as SARS in 2002-2003, MERS in 2012 and the current COVID-19 pandemic are the result of higher mutation rates of coronaviruses and their unique capacity for genetic recombination, resulting in adaptations that make them more suitable to cross the species barriers and infect other species. This ability for host switching and interspecies infection is often attributed to the great diversity of these viruses, which is a result of viral and host factors such as the low fidelity of their RNA-dependent RNA polymerase, the high frequency of their homologous RNA recombination, and the adaptation of the S protein to bind host receptors like the angiotensin converting enzyme 2 (ACE2) in the case of SARS-CoV and SARS-CoV-2, and dipeptidyl peptidase 4 (DDP4) in MERS-CoV. This review presents an overview of the zoonotic transmission of SARS, MERS and COVID-19, focusing on the viral, host and environmental factors that favor the spillover of these viruses into humans, as well as the biological and ecological factors that make bats the perfect animal reservoir of infection for these viruses.
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Affiliation(s)
| | - João Rodrigo Mesquita
- Abel Salazar Institute of Biomedical Sciences (ICBAS), University of Porto, Porto, Portugal; Epidemiology Research Unit (EPIUnit), Institute of Public Health, University of Porto, Porto, Portugal
| | - Maria de São José Nascimento
- Epidemiology Research Unit (EPIUnit), Institute of Public Health, University of Porto, Porto, Portugal; Faculty of Pharmacy, University of Porto (FFUP), Porto, Portugal
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Kumar M, Bharti R, Ranjan T. The Evolutionary Significance of Generalist Viruses with Special Emphasis on Plant Viruses and their Hosts. Open Virol J 2020. [DOI: 10.2174/1874357902014010022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
The host range of a virus is defined as the number of species a virus potentially infects. The specialist virus infects one or few related species while the generalist virus infects several different species, possibly in different families. Origin of generalist viruses from their specialist nature and the expansion of the host range of the generalist virus occur with the host shift event in which the virus encounters and adapts to a new host. Host shift events have resulted in the majority of the newly emerging viral diseases. This review discusses the advantages and disadvantages of generalist over specialist viruses and the unique features of plant viruses and their hosts that result in a higher incidence of generalist viruses in plants.
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Monferrer-Adsuara C, Castro-Navarro V, González-Girón N, Remolí-Sargues L, Ortiz-Salvador M, Montero-Hernández J, Cervera-Taulet E. A case of bilateral unusual retinal hemorrhages in a COVID-19 patient. Eur J Ophthalmol 2020; 32:1120672120984381. [PMID: 33353419 PMCID: PMC8935154 DOI: 10.1177/1120672120984381] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Accepted: 12/08/2020] [Indexed: 01/08/2023]
Abstract
PURPOSE There have been anecdotal reports of ocular manifestations in the Coronavirus Disease 2019 (COVID-19). As the pandemic is spreading and the whole picture is yet unknown, ophthalmologists should be aware of unusual ocular presentations of COVID-19 since they could precede the development of severe respiratory distress. METHODS We report here the first case of a patient with bilateral unusual dot-blot retinal hemorrhages and retinal venous dilation who presented shortly thereafter a PCR-proven COVID-19. CASE REPORT A 59-year-old woman presented with a 7 days history of blurred vision in both eyes. Fundus examination revealed bilateral venous stasis and dot and blot intra-retinal hemorrhages preceding the diagnosis of COVID-19 in a patient with mild respiratory symptoms that progressed within a few days to a severe respiratory distress. After 1 month of the COVID-19 treatment, fundus examination improved and fluorescein angiography demonstrated no diabetic retinopathy signs, no retinal vasculitis and no significant delay in arterial or venous filling. CONCLUSION Intraretinal hemorrhages similar to those found in the retinopathy associated to blood dyscrasias could be an association with SARS-CoV-2 in the context of a coagulopathy induced by the infection.
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Affiliation(s)
| | - Verónica Castro-Navarro
- Hospital General Universitario de Valencia, Valencia, Spain
- Facultad de Medicina, Universidad Católica de Valencia ‘San Vicente Mártir’, Valencia, Spain
| | | | | | | | - Javier Montero-Hernández
- Hospital General Universitario de Valencia, Valencia, Spain
- Facultad de Medicina, Universidad Católica de Valencia ‘San Vicente Mártir’, Valencia, Spain
| | - Enrique Cervera-Taulet
- Hospital General Universitario de Valencia, Valencia, Spain
- Facultad de Medicina, Universidad Católica de Valencia ‘San Vicente Mártir’, Valencia, Spain
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Tiwari R, Dhama K, Sharun K, Iqbal Yatoo M, Malik YS, Singh R, Michalak I, Sah R, Bonilla-Aldana DK, Rodriguez-Morales AJ. COVID-19: animals, veterinary and zoonotic links. Vet Q 2020; 40:169-182. [PMID: 32393111 PMCID: PMC7755411 DOI: 10.1080/01652176.2020.1766725] [Citation(s) in RCA: 160] [Impact Index Per Article: 40.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 05/05/2020] [Accepted: 05/05/2020] [Indexed: 12/13/2022] Open
Abstract
Coronavirus disease 2019 (COVID-19), has spread over 210 countries and territories beyond China shortly. On February 29, 2020, the World Health Organization (WHO) denoted it in a high-risk category, and on March 11, 2020, this virus was designated pandemic, after its declaration being a Public Health International Emergency on January 30, 2020. World over high efforts are being made to counter and contain this virus. The COVID-19 outbreak once again proves the potential of the animal-human interface to act as the primary source of emerging zoonotic diseases. Even though the circumstantial evidence suggests the possibility of an initial zoonotic emergence, it is too early to confirm the role of intermediate hosts such as snakes, pangolins, turtles, and other wild animals in the origin of SARS-CoV-2, in addition to bats, the natural hosts of multiple coronaviruses such as SARS-CoV and MERS-CoV. The lessons learned from past episodes of MERS-CoV and SARS-CoV are being exploited to retort this virus. Best efforts are being taken up by worldwide nations to implement effective diagnosis, strict vigilance, heightened surveillance, and monitoring, along with adopting appropriate preventive and control strategies. Identifying the possible zoonotic emergence and the exact mechanism responsible for its initial transmission will help us to design and implement appropriate preventive barriers against the further transmission of SARS-CoV-2. This review discusses in brief about the COVID-19/SARS-CoV-2 with a particular focus on the role of animals, the veterinary and associated zoonotic links along with prevention and control strategies based on One-health approaches.
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Affiliation(s)
- Ruchi Tiwari
- Department of Veterinary Microbiology and Immunology, College of Veterinary Sciences, UP Pt. Deen Dayal Upadhayay Pashu Chikitsa Vigyan Vishwavidyalay Evum Go-Anusandhan Sansthan (DUVASU), Mathura, India
| | - Kuldeep Dhama
- Division of Pathology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh, India
| | - Khan Sharun
- Division of Surgery, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh, India
| | - Mohd. Iqbal Yatoo
- Sher-E, Kashmir University of Agricultural Sciences and Technology of Kashmir, Shalimar, Srinagar, Jammu and Kashmir, India
| | - Yashpal Singh Malik
- Division of Biological Standardization, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh, India
| | - Rajendra Singh
- Division of Pathology, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh, India
| | - Izabela Michalak
- Faculty of Chemistry, Department of Advanced Material Technologies, Wrocław University of Science and Technology, Wrocław, Poland
| | - Ranjit Sah
- Department of Microbiology, Tribhuvan University Teaching Hospital, Institute of Medicine, Kathmandu, Nepal
| | - D. Katterine Bonilla-Aldana
- Semillero de Zoonosis, Grupo de Investigación BIOECOS, Fundación Universitaria Autónoma de las Américas, Sede Pereira, Pereira, Risaralda, Colombia
- Public Health and Infection Research Group, Faculty of Health Sciences, Universidad Tecnologica de Pereira, Pereira, Colombia
| | - Alfonso J Rodriguez-Morales
- Public Health and Infection Research Group, Faculty of Health Sciences, Universidad Tecnologica de Pereira, Pereira, Colombia
- Grupo de Investigacion Biomedicina, Faculty of Medicine, Fundacion Universitaria Autonoma de las Americas, Pereira, Risaralda, Colombia
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Miranda C, Silva V, Capita R, Alonso-Calleja C, Igrejas G, Poeta P. Implications of antibiotics use during the COVID-19 pandemic: present and future. J Antimicrob Chemother 2020; 75:3413-3416. [PMID: 32830266 PMCID: PMC7499579 DOI: 10.1093/jac/dkaa350] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
COVID-19 is caused by the SARS-CoV-2 virus, which has infected more than 4 million people with 278 892 deaths worldwide as of 11 May 2020. This disease, which can manifest as a severe respiratory infection, has been declared as a public health emergency of international concern and is being treated with a variety of antivirals, antibiotics and antifungals. This article highlights the administration of antimicrobials in COVID-19 patients worldwide, during the 2019-20 pandemic. It is imperative to be aware of the unreported amounts of antibiotics that have been administered worldwide in just a few months and a marked increase in antimicrobial resistance should therefore be expected. Due to the lack of data about antimicrobial use during this pandemic, the global impact on the emergence of new antimicrobial resistance is as yet unknown. This issue must be at the forefront of public health policymaking and planning in order that we are prepared for the potentially severe consequences for human and animal health and the environment.
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Affiliation(s)
- Carla Miranda
- Microbiology and Antibiotic Resistance Team (MicroART), Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
- Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
- Associated Laboratory for Green Chemistry (LAQV-REQUIMTE), University NOVA of Lisboa, Lisboa, Caparica, Portugal
| | - Vanessa Silva
- Microbiology and Antibiotic Resistance Team (MicroART), Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
- Associated Laboratory for Green Chemistry (LAQV-REQUIMTE), University NOVA of Lisboa, Lisboa, Caparica, Portugal
- Department of Genetics and Biotechnology, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
- Functional Genomics and Proteomics Unit, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
| | - Rosa Capita
- Department of Food Hygiene and Technology, Veterinary Faculty, University of León, León, Spain
- Institute of Food Science and Technology, University of León, León, Spain
| | - Carlos Alonso-Calleja
- Department of Food Hygiene and Technology, Veterinary Faculty, University of León, León, Spain
- Institute of Food Science and Technology, University of León, León, Spain
| | - Gilberto Igrejas
- Associated Laboratory for Green Chemistry (LAQV-REQUIMTE), University NOVA of Lisboa, Lisboa, Caparica, Portugal
- Department of Genetics and Biotechnology, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
- Functional Genomics and Proteomics Unit, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
| | - Patrícia Poeta
- Microbiology and Antibiotic Resistance Team (MicroART), Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
- Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
- Associated Laboratory for Green Chemistry (LAQV-REQUIMTE), University NOVA of Lisboa, Lisboa, Caparica, Portugal
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Hemida MG, Ba Abduallah MM. The SARS-CoV-2 outbreak from a one health perspective. One Health 2020; 10:100127. [PMID: 32292814 PMCID: PMC7102578 DOI: 10.1016/j.onehlt.2020.100127] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Revised: 03/12/2020] [Accepted: 03/14/2020] [Indexed: 01/04/2023] Open
Abstract
The severe acute respiratory syndrome cornavirus (SARS-CoV-2) is a new human coronavirus candidate recently detected in China that is now reported in people on inhabited continents. The virus shares a high level of identity with some bat coronaviruses and is recognised as a potentially zoonotic virus. We are utilizing the One Health concept to understand the emergence of the virus, as well as to point to some possible control strategies that might reduce the spread of the virus across the globe; thus, containment of such virus would be possible.
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Affiliation(s)
- Maged Gomaa Hemida
- Department of Microbiology, College of Veterinary Medicine, King Faisal University, Saudi Arabia
- Department of Virology, Faculty of Veterinary Medicine, Kafrelsheikh University, Egypt
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Mustafa RM, Alrabadi NN, Alshali RZ, Khader YS, Ahmad DM. Knowledge, Attitude, Behavior, and Stress Related to COVID-19 among Undergraduate Health Care Students in Jordan. Eur J Dent 2020; 14:S50-S55. [PMID: 33233003 PMCID: PMC7775211 DOI: 10.1055/s-0040-1719212] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
OBJECTIVES This study aimed to assess knowledge, attitude, and infection control measures related to the coronavirus disease 2019 (COVID-19) pandemic outbreak among Jordanian health care students. Besides, their social behavior and stress level regarding COVID-19 infection were assessed. MATERIALS AND METHODS An online questionnaire was distributed to medical, dental, pharmacy, nursing, and applied health science students in Jordan during the COVID-19 outbreak quarantine in March 2020. The questionnaire comprised 38 questions assessing demographic data, knowledge, attitude, risk perception, and stress level toward COVID-19. Questions regarding infection control measures and social behavior after the quarantine were also included. STATISTICAL ANALYSIS Independent samples t-test, one-way analysis of variance (ANOVA), and chi-square at a significance level of 5% were used for data analysis. RESULTS A total number of 935 responses were collected. The knowledge score of 55.72% of participants was satisfactory and it was higher for the clinical years' students compared with the basic years' students (p = 0.000) (descending order: sixth year > fifth year > fourth year > third year > first year > second year). Also, knowledge scores were significantly higher for medical and dental students than other disciplines (descending order: medicine, dentistry, pharmacy, nursing/applied) (p = 0.000). The social media (89.1%) and TV or radio (69.5%) were mainly routes through which participants heard about COVID-19. Moderate and justifiable feelings about COVID-19 were found in the majority of the participants. CONCLUSION Although the majority of students showed good knowledge scores, few of them appeared to have a serious lack of knowledge. Therefore, proper education and mentoring are necessary for students before reopening the university campuses.
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Affiliation(s)
- Ruba M. Mustafa
- Department of Conservative Dentistry, Faculty of Dentistry, Jordan University of Science and Technology, Irbid, Jordan
| | - Nasr N. Alrabadi
- Department of Pharmacology, Faculty of Medicine, Jordan University of Science and Technology, Irbid, Jordan
| | - Ruwaida Z. Alshali
- Department of Oral and Maxillofacial Prosthodontics, Faculty of Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Yousef S. Khader
- Department of Community Medicine, Faculty of Medicine, Jordan University of Science and Technology, Irbid, Jordan
| | - Dana M. Ahmad
- Department of Conservative Dentistry, Faculty of Dentistry, Jordan University of Science and Technology, Irbid, Jordan
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Louis-Jean J, Cenat K, Njoku CV, Angelo J, Sanon D. Coronavirus (COVID-19) and Racial Disparities: a Perspective Analysis. J Racial Ethn Health Disparities 2020; 7:1039-1045. [PMID: 33025419 PMCID: PMC7537778 DOI: 10.1007/s40615-020-00879-4] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 09/15/2020] [Accepted: 09/21/2020] [Indexed: 12/12/2022]
Abstract
Health disparity refers to systematic differences in health outcomes between groups and communities based on socioeconomic isolation. In the USA, health disparities among minority groups, especially African Americans, limit their access to quality medical care and other beneficial resources and services. Presently, the novel coronavirus (COVID-19) highlights the extreme healthcare challenges that exist in the African American and other minority communities in the USA. African Americans are dying at a rate nearly four times higher than the national average. With inadequate access to quality healthcare, viable resources, and information, COVID-19 will continue to have a disastrous effect on African American communities. This communication provides a brief overview of the health inequalities resulting in African Americans dying disproportionately during the COVID-19 pandemic.
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Affiliation(s)
| | | | - Chidinma V Njoku
- Nevada Division of Public and Behavioral Health, Carson City, NV, USA
| | - James Angelo
- Florida International University, Miami, FL, USA
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Maurya DK, Sharma D. Evaluation of traditional ayurvedic Kadha for prevention and management of the novel Coronavirus (SARS-CoV-2) using in silico approach. J Biomol Struct Dyn 2020; 40:3949-3964. [PMID: 33251972 PMCID: PMC7754934 DOI: 10.1080/07391102.2020.1852119] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Since the emergence of novel Coronavirus (SARS-CoV-2) infection in Wuhan, China in December 2019, it has now spread to over 205 countries. The ever-growing list of globally spread corona virus-19 disease (COVID-19) patients has demonstrated the high transmission rate among the human population. Currently, there are no FDA approved drugs or vaccines to prevent and treat the infection of the SARS-CoV-2. Considering the current state of affairs, there is an urgent unmet medical need to identify novel and effective approaches for the prevention and treatment of COVID-19 by re-evaluating the knowledge of traditional medicines and repurposing of drugs. Here, we used molecular docking and molecular dynamics simulation approach to explore the beneficial roles of phytochemicals and active pharmacological agents present in the Indian herbs which are widely used in the preparation of Ayurvedic medicines in the form of Kadha to control various respiratory disorders such as cough, cold and flu. Our study has identified an array of phytochemicals present in these herbs which have significant docking scores and potential to inhibit different stages of SARS-CoV-2 infection as well as other Coronavirus target proteins. The phytochemicals present in these herbs possess significant anti-inflammatory property. Apart from this, based on their pharmaceutical characteristics, we have also performed in-silico drug-likeness and predicted pharmacokinetics of the selected phytochemicals found in the Kadha. Overall our study provides scientific justification in terms of binding of active ingredients present in different plants used in Kadha preparation with viral proteins and target proteins for prevention and treatment of the COVID-19. Communicated by Ramaswamy H. Sarma
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Affiliation(s)
- Dharmendra Kumar Maurya
- Radiation Biology & Health Sciences Division, Bhabha Atomic Research Centre, Mumbai, India.,Homi Bhabha National Institute, Anushaktinagar, India
| | - Deepak Sharma
- Radiation Biology & Health Sciences Division, Bhabha Atomic Research Centre, Mumbai, India.,Homi Bhabha National Institute, Anushaktinagar, India
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74
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Feng X, Xie X, Song S, Chen W, Bian H, Rui F, Zhu Q, Ren W, Qin C, Qi J. Current directions, conceptions and viewpoints on 2019-nCoV (Review). Exp Ther Med 2020; 21:70. [PMID: 33365070 PMCID: PMC7716651 DOI: 10.3892/etm.2020.9502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 10/30/2020] [Indexed: 11/06/2022] Open
Abstract
On December 31, 2019, the first case of a novel coronavirus infection was reported in Wuhan, China. The ongoing outbreak of the 2019 novel coronavirus (2019-nCoV) has caused immense global concern. According to the recommendations of the International Health Regulations Emergency Committee and the facts and cases that 215 other countries have also reported to date, the World Health Organization Director-General announced that the outbreak of 2019-nCoV constitutes a public health emergency of international concern and a severe threat to the human health worldwide. To date, the prevalence of the virus has continued in waves and is increasing globally. The present review briefly introduces the epidemiology of 2019-nCoV, as well as viral structural characteristics, and receptors and cells that may act after entering the body, laboratory examinations, imaging and pathological features, clinical manifestations, complications, treatment and management.
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Affiliation(s)
- Xiao Feng
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250021, P.R. China
| | - Xiaoyu Xie
- Department of Gastroenterology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250021, P.R. China
| | - Shouyang Song
- Department of Gastroenterology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250021, P.R. China
| | - Wenjun Chen
- Department of Gastroenterology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250021, P.R. China.,Department of Gastroenterology, The Affiliated Weihai Second Municipal Hospital of Qingdao University, Weihai, Shandong 264200, P.R. China
| | - Hongjun Bian
- Department of Emergency Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250021, P.R. China
| | - Fajuan Rui
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250021, P.R. China
| | - Qiang Zhu
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250021, P.R. China.,Department of Gastroenterology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250021, P.R. China
| | - Wanhua Ren
- Department of Infectious Disease, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250021, P.R. China
| | - Chengyong Qin
- Department of Gastroenterology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250021, P.R. China.,Department of Gastroenterology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250021, P.R. China
| | - Jianni Qi
- Central Laboratory, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250021, P.R. China.,Department of Central Laboratory, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250021, P.R. China
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75
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Wang MY, Zhao R, Gao LJ, Gao XF, Wang DP, Cao JM. SARS-CoV-2: Structure, Biology, and Structure-Based Therapeutics Development. Front Cell Infect Microbiol 2020; 10:587269. [PMID: 33324574 PMCID: PMC7723891 DOI: 10.3389/fcimb.2020.587269] [Citation(s) in RCA: 455] [Impact Index Per Article: 113.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Accepted: 10/26/2020] [Indexed: 01/18/2023] Open
Abstract
The pandemic of the novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has been posing great threats to the world in many aspects. Effective therapeutic and preventive approaches including drugs and vaccines are still unavailable although they are in development. Comprehensive understandings on the life logic of SARS-CoV-2 and the interaction of the virus with hosts are fundamentally important in the fight against SARS-CoV-2. In this review, we briefly summarized the current advances in SARS-CoV-2 research, including the epidemic situation and epidemiological characteristics of the caused disease COVID-19. We further discussed the biology of SARS-CoV-2, including the origin, evolution, and receptor recognition mechanism of SARS-CoV-2. And particularly, we introduced the protein structures of SARS-CoV-2 and structure-based therapeutics development including antibodies, antiviral compounds, and vaccines, and indicated the limitations and perspectives of SARS-CoV-2 research. We wish the information provided by this review may be helpful to the global battle against SARS-CoV-2 infection.
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Affiliation(s)
| | | | | | | | - De-Ping Wang
- Key Laboratory of Cellular Physiology at Shanxi Medical University, Ministry of Education, Key Laboratory of Cellular Physiology of Shanxi Province, and the Department of Physiology, Shanxi Medical University, Taiyuan, China
| | - Ji-Min Cao
- Key Laboratory of Cellular Physiology at Shanxi Medical University, Ministry of Education, Key Laboratory of Cellular Physiology of Shanxi Province, and the Department of Physiology, Shanxi Medical University, Taiyuan, China
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76
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Younis NK, Zareef RO, Al Hassan SN, Bitar F, Eid AH, Arabi M. Hydroxychloroquine in COVID-19 Patients: Pros and Cons. Front Pharmacol 2020; 11:597985. [PMID: 33364965 PMCID: PMC7751757 DOI: 10.3389/fphar.2020.597985] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Accepted: 10/13/2020] [Indexed: 01/08/2023] Open
Abstract
The pandemic of COVID-19, caused by SARS-CoV-2, has recently overwhelmed medical centers and paralyzed economies. The unparalleled public distress caused by this pandemic mandated an urgent quest for an effective approach to manage or treat this disease. Due to their well-established anti-infectious and anti-inflammatory properties, quinine derivatives have been sought as potential therapies for COVID-19. Indeed, these molecules were originally employed in the treatment and prophylaxis of malaria, and later in the management of various autoimmune rheumatic and dermatologic diseases. Initially, some promising results for the use of hydroxychloroquine (HCQ) in treating COVID-19 patients were reported by a few in vitro and in vivo studies. However, current evidence is not yet sufficiently solid to warrant its use as a therapy for this disease. Additionally, the therapeutic effects of HCQ are not without many side effects, which range from mild gastrointestinal effects to life-threatening cardiovascular and neurological effects. In this review, we explore the controversy associated with the repurposing of HCQ to manage or treat COVID-19, and we discuss the cellular and molecular mechanisms of action of HCQ.
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Affiliation(s)
- Nour K Younis
- Faculty of Medicine, American University of Beirut Medical Center, Beirut, Lebanon
| | - Rana O Zareef
- Faculty of Medicine, American University of Beirut Medical Center, Beirut, Lebanon
| | - Sally N Al Hassan
- Faculty of Medicine, American University of Beirut Medical Center, Beirut, Lebanon
| | - Fadi Bitar
- Faculty of Medicine, American University of Beirut Medical Center, Beirut, Lebanon.,Pediatric Department, Division of Pediatric Cardiology, American University of Beirut Medical Center, Beirut, Lebanon
| | - Ali H Eid
- Department of Basic Medical Sciences, College of Medicine, QU Health, Qatar University, Doha, Qatar.,Biomedical and Pharmaceutical Research Unit, QU Health, Qatar University, Doha, Qatar.,Department of Pharmacology and Toxicology, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - Mariam Arabi
- Faculty of Medicine, American University of Beirut Medical Center, Beirut, Lebanon.,Pediatric Department, Division of Pediatric Cardiology, American University of Beirut Medical Center, Beirut, Lebanon
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Characteristics, onset, and evolution of neurological symptoms in patients with COVID-19. Neurol Sci 2020; 42:39-46. [PMID: 33201360 PMCID: PMC7670015 DOI: 10.1007/s10072-020-04866-9] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Accepted: 10/27/2020] [Indexed: 12/20/2022]
Abstract
Background A wide range of neurological manifestations has been described in COVID-19. Methods In this nationwide retrospective observational study, patients in Tunisia diagnosed with COVID-19 between the 2nd of March and the 16th of May 2020 were contacted by telephone. We collected demographic and clinical data and specified characteristics and evolution of main neurological symptoms. Results Of 1034 confirmed COVID-19 patients, 646 were included (mean age 42.17 years old) and 466 (72.1%) had neurological symptoms. Neurological symptoms were isolated 22.7% (n = 106). Headache was the most frequent neurological symptom (n = 279, 41.1%): mainly frontotemporal (n = 143, 51.1%) and mild or moderate (n = 165, 59.1%). When associated with fever (n = 143, 51.3%), headache was more likely to be severe and present at onset. Recovery was reported in 83.2%. Smell and taste impairment were found in 37.9% (n = 245) and 36.8% (n = 238) respectively. Among them, 65.3% (156/239) were anosmic and 63.2% (146/231) were ageusic. A complete improvement was found in 72.1% (174/240) of smell impairment and in 76.8% (179/233) of taste impairment. Myalgia (n = 241, 37.3%) and sleep disturbances (n = 241, 37.3%) were also frequent. Imported cases had more neurological symptoms (p = 0.001). In 14.5%, neurological symptoms preceded the respiratory signs (RS). RS were associated with more frequent (p = 0.006) and numerous (p < 0.001) neurological symptoms. Conclusions Neurological symptoms in COVID-19 are frequent, can be isolated and present at onset. A total recovery is the most recorded outcome. RS are predictive of neurological symptoms. Studies in to virus and host genetics should be considered to understand the different phenotypes.
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78
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Leal Filho W, Azul AM, Wall T, Vasconcelos CRP, Salvia AL, do Paço A, Shulla K, Levesque V, Doni F, Alvarez-Castañón L, Mac-lean C, Avila LV, Damke LI, Castro P, Azeiteiro UM, Fritzen B, Ferreira P, Frankenberger F. COVID-19: the impact of a global crisis on sustainable development research. SUSTAINABILITY SCIENCE 2020; 16:85-99. [PMID: 33193904 PMCID: PMC7649899 DOI: 10.1007/s11625-020-00866-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 09/11/2020] [Indexed: 05/25/2023]
Abstract
The crisis caused by COVID-19 has affected research in a variety of ways. As far as research on sustainable development is concerned, the lockdown has significantly disrupted the usual communication channels and, among other things, has led to the cancellation of meetings and long-planned events. It has also led to delay in the delivery of research projects. There is a gap in the literature in regards to how a global crisis influences sustainability research. Therefore, this ground-breaking paper undertakes an analysis of the extent to which COVID-19 as a whole, and the lockdown in particular, has influenced sustainability research, and it outlines the solutions pursued by researchers around the world to overcome the many challenges they have experienced. This paper also outlines some measures that may be implemented in the future to take more advantage of existing technologies that support research on sustainable development.
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Affiliation(s)
- Walter Leal Filho
- European School of Sustainability Science and Research, Hamburg University of Applied Sciences, Ulmenliet 20, 21033 Hamburg, Germany
- Department of Natural Sciences, Manchester Metropolitan University, Chester Street, Manchester, M11 5GD UK
| | - Anabela Marisa Azul
- CNC-Center for Neuroscience and Cell Biology, Rua Larga, University of Coimbra, 3004-504 Coimbra, Portugal
| | - Tony Wall
- IIIUC-Institute for Interdisciplinary Research, University of Coimbra, 3030-789 Coimbra, Portugal
- International Centre for Thriving, University of Chester, Chester, UK
| | - Claudio R. P. Vasconcelos
- Laboratory of Sustainability Engineering and Consumption, Federal University of Paraíba, João Pessoa, PB Brazil
- Algoritmi Research Centre, School of Engineering, University of Minho, 4800-058 Guimarães, Portugal
| | - Amanda Lange Salvia
- University of Passo Fundo, BR 285, São José, Passo Fundo, Rio Grande do Sul 99052-900 Brazil
| | - Arminda do Paço
- Universidade da Beira Interior, Núcleo de Estudos Em Ciências Empresariais (NECE-UBI), Rua Marquês d’Ávila e Bolama, 6201-001 Covilhã, Portugal
| | - Kalterina Shulla
- Center for Development Research (ZEF), University of Bonn, Genscherallee 3, 53113 Bonn, Germany
| | - Vanessa Levesque
- Department of Environmental Science and Policy, University of Southern Maine, Gorham, ME USA
| | - Federica Doni
- Department of Business and Law, University of Milano-Bicocca, Via Bicocca degli Arcimboldi 8, 20126 Milan, Italy
| | | | - Claudia Mac-lean
- Vice-Rectory of Academic Affairs-VRAC, University of Magallanes-UMAG, Punta Arenas, Región de Magallanes Y Antártica Chilena Chile
| | - Lucas Veiga Avila
- Post-Graduation in Production Engineering PPGEP and Post-Graduation in Accounting Sciences-PPGCC, Federal University of Santa Maria-UFSM, Cachoeira Do Sul, RS Brazil
| | - Luana Inês Damke
- Federal University of Santa Maria, Av. Roraima, 1000-Camobi, Santa Maria, RS 97105-900 Brazil
| | - Paula Castro
- Department of Life Sciences, Centre for Functional Ecology, Science for People and the Planet, University of Coimbra, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
| | - Ulisses M. Azeiteiro
- Department of Biology and cESAM, Centre for Environmental and Marine Studies, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Bárbara Fritzen
- University of Passo Fundo, BR 285, São José, Passo Fundo, Rio Grande do Sul 99052-900 Brazil
| | - Paula Ferreira
- ALGORITMI Research Center, University of Minho, Guimarães, Portugal
| | - Fernanda Frankenberger
- Pontifical Catholic University of Paraná-PUCPR, R. Imac. Conceição 1155, Curitiba, PR 80215-901 Brazil
- Positivo University-UP, R. Prof. Pedro Viriato Parigot de Souza 5300, Curitiba, PR 81280-330 Brazil
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79
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Predictors of mortality in patients with COVID-19-a systematic review. Eur J Integr Med 2020; 40:101226. [PMID: 33101547 PMCID: PMC7568488 DOI: 10.1016/j.eujim.2020.101226] [Citation(s) in RCA: 104] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 10/12/2020] [Accepted: 10/13/2020] [Indexed: 02/08/2023]
Abstract
Introduction In the current COVID-19 pandemic, disease diagnosis is essential for optimal management and timely isolation of infected cases in order to prevent further spread. The aim of this study was to systematically review the assessment of risk and model the predictors of mortality in COVID-19 patients. Methods A systematic search was conducted of PubMed, Scopus, Embase, Google Scholar, and Web of Science databases. Variables associated with hospital mortality using bivariate analysis were included as potential independent predictors associated with mortality at the p < 0.05 levels. Results We included 114 studies accounting for 310,494 patients from various parts of the world. For the purpose of this analysis, we set a cutoff point of 10% for the mortality percentages. High mortality rates were defined as higher than 10% of confirmed positive cases and were given a score of two, while low mortality (<10%) was assigned the score of one. We then analyzed the associations between 72 variables and the observed mortality rates. These variables included a large range of related variables such as demographics, signs and symptoms and related morbidities, vital signs, laboratory findings, imaging studies, underlying diseases, and the status of countries' income, based on the United Nation's classifications. Conclusion Findings suggest that older age, hypertension, and diabetes mellitus conferred a significant increased risk of mortality among patients with COVID-19. In the multivariate analysis, only diabetes mellitus demonstrated an independent relationship with increased mortality. Further studies are needed to ascertain the relationship between possible risk factors with COVID-19 mortality.
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80
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Gomides A, Ferreira G, Kakehasi A, Lacerda M, Marques C, Mota L, Paiva E, Pileggi G, Provenza J, Reis-Neto E, Sampaio V, Xavier R, Pinheiro M. Impact of Chronic Use of Antimalarials on SARS-CoV-2 Infection in Patients With Immune-Mediated Rheumatic Diseases: Protocol for a Multicentric Observational Cohort Study. JMIR Res Protoc 2020; 9:e23532. [PMID: 32924956 PMCID: PMC7575340 DOI: 10.2196/23532] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 09/07/2020] [Accepted: 09/08/2020] [Indexed: 02/06/2023] Open
Abstract
Background COVID-19, caused by the virus SARS-CoV-2, has brought extensive challenges to the scientific community in recent months. Several studies have been undertaken in an attempt to minimize the impact of the disease worldwide. Although new knowledge has been quickly disseminated, including viral mechanisms, pathophysiology, and clinical findings, there is a lack of information on the effective pharmacological management of this disease. In vitro studies have shown some benefits related to the use of antimalarials (chloroquine and hydroxychloroquine) for inhibiting SARS-CoV-2. However, the data from open clinical trials on COVID-19 patients are controversial. Objective We present the protocol for a research project that compares the potential protective effect of antimalarials in preventing moderate-to-severe forms of COVID-19 in two groups: (1) patients treated chronically with antimalarials for rheumatic diseases and (2) other members of the patients’ household who have not been diagnosed with rheumatic diseases and are not taking antimalarials. Methods This is a 24-week, prospective, observational cohort study comprising patients from public and private health services across Brazil, who chronically use antimalarials for the treatment of immune-mediated rheumatic diseases, osteoarthritis, or chikungunya-related arthropathy. A total of six sequential phone interviews were scheduled during the COVID-19 outbreak in five different regions of Brazil. Information regarding social, epidemiological, and demographic data, as well as details about rheumatic diseases, antimalarials, comorbidities, and concomitant medication, is being recorded using a specific online form in the REDCap database. Symptoms suggestive of COVID-19, including fever, cough, dyspnea, anosmia, and dysgeusia, are being self-reported and collected via phone interviews. Our main outcomes are hospitalization, need of intensive care unit, and death. Results Recruitment began at the end of March 2020, and the inclusion was done during an 8-week period (from March 29 to May 17) with a total of 10,443 individuals enrolled at baseline, 5166 of whom have rheumatic diseases, from 23 tertiary rheumatology centers across 97 Brazilian cities. Data analysis is scheduled to begin after all inclusion data have been collected. Conclusions This study, which includes a large sample of chronic antimalarial users, will allow us to explore whether SARS-CoV-2 infection may be associated with immune-mediated rheumatic diseases and long-term antimalarial usage. Trial Registration Brazilian Registry of Clinical Trials RBR–9KTWX6; http://www.ensaiosclinicos.gov.br/rg/RBR-9ktwx6/ International Registered Report Identifier (IRRID) DERR1-10.2196/23532
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Affiliation(s)
- Ana Gomides
- University Center of Brasília, Brasília, Brazil
| | - Gilda Ferreira
- Federal University of Minas Gerais, Belo Horizonte, Brazil
| | | | | | | | - Licia Mota
- University of Brasília, Brasília, Brazil
| | | | | | - José Provenza
- Sociedade Brasileira de Reumatologia, São Paulo, Brazil
| | | | | | - Ricardo Xavier
- Federal University of Rio Grande do Sul, Porto Alegre, Brazil
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81
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Demsie DG, Gebre AK, Yimer EM, Alema NM, Araya EM, Bantie AT, Allene MD, Gebremedhin H, Yehualaw A, Tafere C, Tadese HT, Amare B, Weldekidan E, Gebrie D. Glycopeptides as Potential Interventions for COVID-19. Biologics 2020; 14:107-114. [PMID: 33116397 PMCID: PMC7569252 DOI: 10.2147/btt.s262705] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 08/11/2020] [Indexed: 01/07/2023]
Abstract
Coronavirus disease 2019 (COVID-19), an infectious disease that primarily attacks the human pulmonary system, is caused by a viral strain called severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The outbreak emerged from Wuhan, China, and later spread throughout the world. Until the first week of May 2020, over 3.7 million cases had been reported worldwide and more than 258,000 had died due to the disease. So far, off label use of various drugs has been tried in many clinical settings, however, at present, there is no vaccine or antiviral treatment for human and animal coronaviruses. Therefore, repurposing of the available drugs may be promising to control emerging infections of SARS-COV2; however, new interventions are likely to require months to years to develop. Glycopeptides, which are active against gram-positive bacteria, have demonstrated significant activity against viral infections including SARS-COV and MERS-COV and have a high resemblance of sequence homology with SARS-COV2. Recent in vitro studies have also shown promising activities of aglycon derivative of glycopeptides and teicoplanin against SARS-COV2. Hydrophobic aglycon derivatives and teicoplanin, with minimal toxicity to human cell lines, inhibit entry and replication of SARS-COV2. These drugs block proteolysis of polyprotein a/b with replicase and transcription domains. Teicoplanin use was associated with complete viral clearance in a cohort of patients with severe COVID-19 symptoms. This review attempts to describe the activity, elucidate the possible mechanisms and potential clinical applications of existing glycopeptides against corona viruses, specifically SARS-COV2.
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Affiliation(s)
- Desalegn Getnet Demsie
- Adigrat University, College of Medicine and Health Sciences, Department of Pharmacy, Adigrat, Ethiopia,Correspondence: Desalegn Getnet Demsie Email
| | - Abadi Kahsu Gebre
- Mekelle University, College of Health Sciences, Department of Pharmacology and Toxicology, Mekelle, Ethiopia
| | - Ebrahim M Yimer
- Wollo University, College of Medicine and Health Sciences, Department of Pharmacy, Dessie, Ethiopia
| | - Niguse Meles Alema
- Adigrat University, College of Medicine and Health Sciences, Department of Pharmacy, Adigrat, Ethiopia
| | - Ephrem Mebrahtu Araya
- Adigrat University, College of Medicine and Health Sciences, Department of Pharmacy, Adigrat, Ethiopia
| | - Abere Tilahun Bantie
- Adigrat University, College of Medicine and Health Sciences, Department of Anesthesia, Adigrat, Ethiopia
| | - Mengesha Dessie Allene
- Debre Berhan University, School of Medicine, College of Medicine, Department of Anesthesia, Debre Berhan, Ethiopia
| | - Hagazi Gebremedhin
- Mekelle University, College of Health Sciences, Department of Pharmacology and Toxicology, Mekelle, Ethiopia
| | - Adane Yehualaw
- Bahir Dar University, College of Health Sciences, Department of Pharmacy, Bahir Dar, Ethiopia
| | - Chernet Tafere
- Bahir Dar University, College of Health Sciences, Department of Pharmacy, Bahir Dar, Ethiopia
| | | | - Bekalu Amare
- Mekelle University, College of Health Sciences, Department of Pharmacology and Toxicology, Mekelle, Ethiopia
| | - Etsay Weldekidan
- Adigrat University, College of Medicine and Health Sciences, Department of Pharmacy, Adigrat, Ethiopia
| | - Desye Gebrie
- Mekelle University, College of Health Sciences, Department of Social Pharmacy and Pharmacoepidemiology, Mekelle, Ethiopia,Addis Ababa University, College of Health Sciences, Center for Innovative Drug Development and Therapeutic Trials for Africa, Addis Ababa, Ethiopia
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82
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Al-Qahtani AA. Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2): Emergence, history, basic and clinical aspects. Saudi J Biol Sci 2020; 27:2531-2538. [PMID: 32336927 PMCID: PMC7179492 DOI: 10.1016/j.sjbs.2020.04.033] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 04/04/2020] [Accepted: 04/17/2020] [Indexed: 12/15/2022] Open
Abstract
In late December 2019, the world woke to a reality of a pandemic of Coronavirus Disease (COVID-19), elicited by the Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2), which belongs to a group of β-coronavirus. The potential to cause life-threatening respiratory failure and rapid transmission puts COVID-19 in the list of Public Health Emergency of International Concern (PHEIC). In the last two decades, this is the 3rd deadliest Coronavirus pandemic, following SARS which lasted between 2002 and 2003 and Middle East Respiratory Syndrome (MERS) from 2012 till date. Globally and as of April 23rd 2020, COVID-19 has affected 2,544,792 individuals in over 200 countries, causing 175,694 fatalities. While the SARS-CoV-2 originated in China with 84,302 confirmed cases and 4642 deaths as at the time of writing this review, the rapid transmission of SARS-CoV-2 has resulted in exponential increase in the number of cases outside of China to about 10 times the report case and death in mainland China. SARS-CoV-2 is suspected to be zoonotic in nature as genetic studies have shown sequence similarity to viruses originating from bats. Extreme precautionary measures, such as curfew, shutting of borders and quarantining of individuals suspected to be infected have been instituted with immediate effect; however, due to individuals that are asymptomatic, uncontrolled human-to-human transmission has resulted in exponential infection rate and numerous loss of lives even with this lockdown measures. This review article summarizes the developing situation surrounding the SARS-CoV-2 pandemic with respect to its epidemiology, unique genomic structure, possible origins, transmission, pathogenesis, comparison with other deadly species of Coronaviruses (CoV) and emerging treatment strategies built on informed literature.
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83
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Poudel U, Subedi D, Pantha S, Dhakal S. Animal coronaviruses and coronavirus disease 2019: Lesson for One Health approach. Open Vet J 2020; 10:239-251. [PMID: 33282694 PMCID: PMC7703617 DOI: 10.4314/ovj.v10i3.1] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Accepted: 07/06/2020] [Indexed: 02/02/2023] Open
Abstract
Coronaviruses are a group of enveloped, single-stranded, positive-sense RNA viruses that are broadly classified into alpha, beta, gamma, and delta coronavirus genera based on the viral genome. Coronavirus was not thought to be a significant problem in humans until the outbreak of severe acute respiratory syndrome in 2002, but infections in animals, including pigs, cats, dogs, and poultry, have been problematic for a long time. The outbreak of coronavirus disease 2019 in December 2019 in Wuhan, China, drew special attention towards this virus once again. The intermediate host of this novel coronavirus, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), is yet to be determined, but it has a very close genomic relationship with the bat coronavirus (Bat-CoV), RaTG13 strain, and the pangolin coronaviruses. As veterinary medicine has a long-term experience dealing with coronaviruses, this could be helpful in better understanding and detecting the origin of SARS-CoV-2 and drive human medicine towards the development of vaccines and antiviral drugs through the collaborative and transdisciplinary approaches of One Health.
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Affiliation(s)
- Uddab Poudel
- Institute of Agriculture and Animal Science (IAAS), Paklihawa Campus, Tribhuvan University, Siddharthanagar, Nepal
| | - Deepak Subedi
- Institute of Agriculture and Animal Science (IAAS), Paklihawa Campus, Tribhuvan University, Siddharthanagar, Nepal
| | - Saurav Pantha
- Institute of Agriculture and Animal Science (IAAS), Paklihawa Campus, Tribhuvan University, Siddharthanagar, Nepal
| | - Santosh Dhakal
- W. Harry Feinstone Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA
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Li M, Yang Y, Lu Y, Zhang D, Liu Y, Cui X, Yang L, Liu R, Liu J, Li G, Qu J. Natural Host-Environmental Media-Human: A New Potential Pathway of COVID-19 Outbreak. ENGINEERING (BEIJING, CHINA) 2020; 6:1085-1098. [PMID: 33520330 PMCID: PMC7834166 DOI: 10.1016/j.eng.2020.08.010] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 07/21/2020] [Accepted: 08/07/2020] [Indexed: 05/05/2023]
Abstract
Identifying the first infected case (patient zero) is key in tracing the origin of a virus; however, doing so is extremely challenging. Patient zero for coronavirus disease 2019 (COVID-19) is likely to be permanently unknown. Here, we propose a new viral transmission route by focusing on the environmental media containing viruses of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) or RaTG3-related bat-borne coronavirus (Bat-CoV), which we term the "environmental quasi-host." We reason that the environmental quasi-host is likely to be a key node in helping recognize the origin of SARS-CoV-2; thus, SARS-CoV-2 might be transmitted along the route of natural host-environmental media-human. Reflecting upon viral outbreaks in the history of humanity, we realize that many epidemic events are caused by direct contact between humans and environmental media containing infectious viruses. Indeed, contacts between humans and environmental quasi-hosts are greatly increasing as the space of human activity incrementally overlaps with animals' living spaces, due to the rapid development and population growth of human society. Moreover, viruses can survive for a long time in environmental media. Therefore, we propose a new potential mechanism to trace the origin of the COVID-19 outbreak.
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Affiliation(s)
- Miao Li
- School of Environment, Tsinghua University, Beijing 100084, China
| | - Yunfeng Yang
- School of Environment, Tsinghua University, Beijing 100084, China
| | - Yun Lu
- School of Environment, Tsinghua University, Beijing 100084, China
| | - Dayi Zhang
- School of Environment, Tsinghua University, Beijing 100084, China
| | - Yi Liu
- School of Environment, Tsinghua University, Beijing 100084, China
| | - Xiaofeng Cui
- School of Environment, Tsinghua University, Beijing 100084, China
| | - Lei Yang
- School of Environment, Tsinghua University, Beijing 100084, China
| | - Ruiping Liu
- School of Environment, Tsinghua University, Beijing 100084, China
| | - Jianguo Liu
- School of Environment, Tsinghua University, Beijing 100084, China
| | - Guanghe Li
- School of Environment, Tsinghua University, Beijing 100084, China
| | - Jiuhui Qu
- School of Environment, Tsinghua University, Beijing 100084, China
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
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85
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Analysis of the global situation of COVID-19 research based on bibliometrics. Health Inf Sci Syst 2020; 8:30. [PMID: 33020719 PMCID: PMC7526071 DOI: 10.1007/s13755-020-00120-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2020] [Accepted: 09/12/2020] [Indexed: 12/15/2022] Open
Abstract
With the rapid global spread of the COVID-19 pandemic, researchers have contributed several important advances. The WHO and countries with severe outbreaks have developed diagnosis and treatment guidelines. Here, we analyze the current transformation and application of scientific research to global epidemic prevention and control. We described and analyzed current COVID-19 research from the perspectives of international cooperation, interdisciplinary cooperation, and research hotspots using a bibliometric clustering algorithm. Using the diagnosis and treatment guidelines of the WHO and the United States and China as examples, we evaluate the transformation of scientific results from basic research to applications. Scientific research results that have not yet been incorporated into these guidelines are summarized to encourage updates and improvements by applying scientific research to prevention and control. COVID-19 has fostered interdisciplinary cooperative research, and the current results are mainly focused on the origin, epidemiological characteristics, clinical research, and diagnosis and treatment methods for the virus. Due to the ongoing publication of new research, diagnosis and treatment guidelines are constantly improving. However, some research gaps still exist, and some results have not yet been incorporated into the guidelines. The current research is still in the preliminary exploratory stage, and some problems, such as weak international cooperation, unbalanced interdisciplinary cooperation, and the lack of coordination between research and applications, exist. Therefore, countries around the world must improve the International Public Health Emergency Management System and prepare for major public health emergencies in the future.
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86
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Abosheasha MA, El-Gowily AH. Superiority of cilostazol among antiplatelet FDA-approved drugs against COVID 19 M pro and spike protein: Drug repurposing approach. Drug Dev Res 2020; 82:217-229. [PMID: 32984987 PMCID: PMC7646641 DOI: 10.1002/ddr.21743] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Revised: 09/10/2020] [Accepted: 09/12/2020] [Indexed: 01/08/2023]
Abstract
Coronavirus disease 2019 (COVID 19) was first identified in Wuhan, China near the end of 2019. To date, COVID‐19 had spread to almost 235 countries and territories due to its highly infectious nature. Moreover, there is no vaccine or Food and Drug Administration (FDA)‐approved drug. More time is needed to establish one of them. Consequently, the drug repurposing approach seems to be the most attractive and quick solution to accommodate this crisis. In this regard, we performed molecular docking‐based virtual screening of antiplatelet FDA‐approved drugs on the key two viral target proteins: main protease (Mpro) and spike glycoprotein (S) as potential inhibitor candidates for COVID‐19. In the present study, 15 antiplatelet FDA‐approved drugs were investigated against the concerned targets using the Molecular Docking Server. Our study revealed that only cilostazol has the most favorable binding interaction on Mpro (PDB ID: 6LU7) and cilostazol, iloprost, epoprostenol, prasugrel, and icosapent ethyl have a higher binding affinity on spike glycoprotein (S) (PDB ID: 6VYB) compared with recent anti‐CoVID‐19. Therefore, cilostazol is a promising FDA drug against COVID‐19 by inhibiting both Mpro and S protein. The insights gained in this study may be useful for quick approach against COVID‐19 in the future.
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Affiliation(s)
- Mohammed A Abosheasha
- Cellular Genetics Laboratory, Graduate School of Science, Tokyo Metropolitan University, Tokyo, Japan
| | - Afnan H El-Gowily
- Department of Chemistry, Biochemistry Division, Faculty of Science, Tanta University, Tanta, Egypt.,Department of Organ and Cell Physiology, Juntendo University, Tokyo, Japan
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87
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Verma S, Twilley D, Esmear T, Oosthuizen CB, Reid AM, Nel M, Lall N. Anti-SARS-CoV Natural Products With the Potential to Inhibit SARS-CoV-2 (COVID-19). Front Pharmacol 2020; 11:561334. [PMID: 33101023 PMCID: PMC7546787 DOI: 10.3389/fphar.2020.561334] [Citation(s) in RCA: 75] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Accepted: 09/03/2020] [Indexed: 01/08/2023] Open
Abstract
The severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2), known to cause the disease COVID-19, was declared a pandemic in early 2020. The objective of this review was to collate information regarding the potential of plants and natural products to inhibit coronavirus and targets associated with infection in humans and to highlight known drugs, which may have potential activity against SARS-CoV-2. Due to the similarity in the RNA genome, main proteases, and primary host receptor between SARS-CoV and SARS-CoV-2, a review was conducted on plants and secondary metabolites, which have shown activity against SARS-CoV. Numerous scientific reports on the potential of plants and secondary metabolites against SARS-CoV infection were found, providing important information on their possible activity against SARS-CoV-2. Based on current literature, 83 compounds have been identified with the potential to inhibit COVID-19. The most prominent selectivity was found for the alkaloid, lycorine, the lignan, savinin, and the abietane terpenoid, 8-beta-hydroxyabieta-9(11),13-dien-12-one with selectivity index values greater than 945, 667, and 510, respectively. Plants and their secondary metabolites, with activity against targets associated with the SARS-CoV infection, could provide valuable leads for the development into drugs for the novel SARS-CoV-2. The prospects of using computational methods to screen secondary metabolites against SARS-CoV targets are briefly discussed, and the drawbacks have been highlighted. Finally, we discuss plants traditionally used in Southern Africa for symptoms associated with respiratory viral infections and influenza, such as coughs, fever, and colds. However, only a few of these plants have been screened against SARS-CoV. Natural products hold a prominent role in discovering novel therapeutics to mitigate the current COVID-19 pandemic; however, further investigations regarding in vitro, in vivo, pre-clinical, and clinical phases are still required.
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Affiliation(s)
- Surjeet Verma
- Department of Plant and Soil Sciences, Faculty of Natural and Agricultural Sciences, University of Pretoria, Pretoria, South Africa
| | - Danielle Twilley
- Department of Plant and Soil Sciences, Faculty of Natural and Agricultural Sciences, University of Pretoria, Pretoria, South Africa
| | - Tenille Esmear
- Department of Plant and Soil Sciences, Faculty of Natural and Agricultural Sciences, University of Pretoria, Pretoria, South Africa
| | - Carel B. Oosthuizen
- Department of Plant and Soil Sciences, Faculty of Natural and Agricultural Sciences, University of Pretoria, Pretoria, South Africa
| | - Anna-Mari Reid
- Department of Plant and Soil Sciences, Faculty of Natural and Agricultural Sciences, University of Pretoria, Pretoria, South Africa
| | - Marizé Nel
- Department of Plant and Soil Sciences, Faculty of Natural and Agricultural Sciences, University of Pretoria, Pretoria, South Africa
| | - Namrita Lall
- Department of Plant and Soil Sciences, Faculty of Natural and Agricultural Sciences, University of Pretoria, Pretoria, South Africa
- School of Natural Resources, College of Agriculture, Food and Natural Resources, University of Missouri, Columbia, MO, United States
- College of Pharmacy, JSS Academy of Higher Education and Research, Mysuru, India
- Bio-Tech R&D Institute, University of the West Indies, Kingston, Jamaica
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88
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Stability of MERS-CoV RNA on spin columns of RNA extraction kit at room temperature. Diagn Microbiol Infect Dis 2020; 98:115182. [PMID: 32947111 PMCID: PMC7441011 DOI: 10.1016/j.diagmicrobio.2020.115182] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Revised: 08/12/2020] [Accepted: 08/13/2020] [Indexed: 01/25/2023]
Abstract
Middle East respiratory syndrome coronavirus (MERS-CoV) is an emerging virus causing a highly fatal respiratory disease in humans. Confirmation of MERS-CoV infection and molecular study on the virus may require transportation of samples to specialized laboratories. While freezing at −80 °C is the gold standard method for RNA preservation, maintaining the integrity of viral RNA during transport will require additional precautions and, as a result, increase transport costs. We aimed at testing the stability of MERS-CoV RNA on spin columns of RNA extraction kit at room temperature for 16 weeks. Respiratory samples spiked with stock culture of MERS-CoV were extracted and loaded on QIAamp Viral RNA Mini Kit spin columns and preserved at room temperature. Amount of viral RNA was evaluated periodically by real-time quantitative reverse-transcription polymerase chain reaction. Minimal changes in cycle threshold values over the study period were noted, suggesting stability of viral RNA by this preservation method.
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89
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Human animal interface of SARS-CoV-2 (COVID-19) transmission: a critical appraisal of scientific evidence. Vet Res Commun 2020; 44:119-130. [PMID: 32926266 PMCID: PMC7487339 DOI: 10.1007/s11259-020-09781-0] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2020] [Accepted: 09/01/2020] [Indexed: 12/26/2022]
Abstract
Coronaviruses are a large family of viruses that are known to infect both humans and animals. However, the evidence of inter-transmission of coronavirus between humans and companion animals is still a debatable issue. There is substantial evidence that the virus outbreak is fueled by zoonotic transmission because this new virus belongs to the same family of viruses as SARS-CoV associated with civet cats, and MERS-CoV associated with dromedary camels. While the whole world is investigating the possibility about the transmission of this virus, the transmission among humans is established, but the interface between humans and animals is not much evident. Not only are the lives of human beings at risk, but there is an equal potential threat to the animal world. With multiple reports claiming about much possibility of transmission of COVID-19 from humans to animals, there has been a significant increase in the number of pets being abandoned by their owners. Additionally, the risk of reverse transmission of COVID-19 virus from companion pets like cats and dogs at home is yet another area of concern. The present article highlights different evidence of human-animal interface and necessitates the precautionary measures required to combat with the consequences of this interface. The Centers for Disease Control and Prevention (CDC) and the World Health Organization (WHO) have suggested various ways to promote awareness and corroborate practices for helping people as well as animals to stay secure and healthy.
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90
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Dhama K, Patel SK, Sharun K, Pathak M, Tiwari R, Yatoo MI, Malik YS, Sah R, Rabaan AA, Panwar PK, Singh KP, Michalak I, Chaicumpa W, Martinez-Pulgarin DF, Bonilla-Aldana DK, Rodriguez-Morales AJ. SARS-CoV-2 jumping the species barrier: Zoonotic lessons from SARS, MERS and recent advances to combat this pandemic virus. Travel Med Infect Dis 2020; 37:101830. [PMID: 32755673 PMCID: PMC7396141 DOI: 10.1016/j.tmaid.2020.101830] [Citation(s) in RCA: 129] [Impact Index Per Article: 32.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Revised: 07/26/2020] [Accepted: 07/27/2020] [Indexed: 12/17/2022]
Abstract
Coronavirus Disease 2019 (COVID-19), caused by SARS-CoV-2 (Severe Acute Respiratory Syndrome - Coronavirus-2) of the family Coronaviridae, appeared in China in December 2019. This disease was declared as posing Public Health International Emergency by World Health Organization on January 30, 2020, attained the status of a very high-risk category on February 29, and now having a pandemic status (March 11). COVID-19 has presently spread to more than 215 countries/territories while killing nearly 0.75 million humans out of cumulative confirmed infected asymptomatic or symptomatic cases accounting to almost 20.5 million as of August 12, 2020, within a short period of just a few months. Researchers worldwide are pacing with high efforts to counter the spread of this virus and to design effective vaccines and therapeutics/drugs. Few of the studies have shown the potential of the animal-human interface and zoonotic links in the origin of SARS-CoV-2. Exploring the possible zoonosis and revealing the factors responsible for its initial transmission from animals to humans will pave ways to design and implement effective preventive and control strategies to counter the COVID-19. The present review presents a comprehensive overview of COVID-19 and SARS-CoV-2, with emphasis on the role of animals and their jumping the cross-species barriers, experiences learned from SARS- and MERS-CoVs, zoonotic links, and spillover events, transmission to humans and rapid spread, and highlights the new advances in diagnosis, vaccine and therapies, preventive and control measures, one health concept along with recent research developments to counter this pandemic disease.
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Affiliation(s)
- Kuldeep Dhama
- Division of Pathology, ICAR-Indian Veterinary Research Institute, Izatnagar, 243 122, Bareilly, Uttar Pradesh, India.
| | - Shailesh Kumar Patel
- Division of Pathology, ICAR-Indian Veterinary Research Institute, Izatnagar, 243 122, Bareilly, Uttar Pradesh, India
| | - Khan Sharun
- Division of Surgery, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, 243 122, Uttar Pradesh, India
| | - Mamta Pathak
- Division of Pathology, ICAR-Indian Veterinary Research Institute, Izatnagar, 243 122, Bareilly, Uttar Pradesh, India
| | - Ruchi Tiwari
- Department of Veterinary Microbiology and Immunology, College of Veterinary Sciences, UP Pandit Deen Dayal Upadhayay Pashu Chikitsa Vigyan Vishwavidyalay Evum Go-Anusandhan Sansthan (DUVASU), Mathura, India
| | - Mohd Iqbal Yatoo
- Sher-E-Kashmir University of Agricultural Sciences and Technology of Kashmir, Shalimar, 190025, Srinagar, Jammu and Kashmir, India
| | - Yashpal Singh Malik
- Division of Biological Standardization, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, 243 122, Uttar Pradesh, India
| | - Ranjit Sah
- Department of Microbiology, Tribhuvan University Teaching Hospital, Institute of Medicine, Kathmandu, Nepal
| | - Ali A Rabaan
- Molecular Diagnostic Laboratory, Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia
| | | | - Karam Pal Singh
- Division of Pathology, ICAR-Indian Veterinary Research Institute, Izatnagar, 243 122, Bareilly, Uttar Pradesh, India
| | - Izabela Michalak
- Faculty of Chemistry, Department of Advanced Material Technologies, Wrocław University of Science and Technology, Wrocław, 50-370, Poland
| | - Wanpen Chaicumpa
- Center of Research Excellence on Therapeutic Proteins and Antibody Engineering, Department of Parasitology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, 10700, Thailand
| | - Dayron F Martinez-Pulgarin
- Public Health and Infection Research Group, Faculty of Health Sciences, Universidad Tecnologica de Pereira, Pereira, Colombia
| | - D Katterine Bonilla-Aldana
- Public Health and Infection Research Group, Faculty of Health Sciences, Universidad Tecnologica de Pereira, Pereira, Colombia; Semillero de Investigación en Zoonosis (SIZOO), Grupo de Investigación BIOECOS, Fundación Universitaria Autónoma de Las Américas, Sede Pereira, Pereira, Risaralda, Colombia
| | - Alfonso J Rodriguez-Morales
- Public Health and Infection Research Group, Faculty of Health Sciences, Universidad Tecnologica de Pereira, Pereira, Colombia; Grupo de Investigacion Biomedicina, Faculty of Medicine, Fundacion Universitaria Autonoma de Las Americas, Pereira, Risaralda, Colombia; School of Medicine, Universidad Privada Franz Tamayo (UNIFRANZ), Cochabamba, Bolivia.
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91
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Dhama K, Patel SK, Pathak M, Yatoo MI, Tiwari R, Malik YS, Singh R, Sah R, Rabaan AA, Bonilla-Aldana DK, Rodriguez-Morales AJ. An update on SARS-CoV-2/COVID-19 with particular reference to its clinical pathology, pathogenesis, immunopathology and mitigation strategies. Travel Med Infect Dis 2020; 37:101755. [PMID: 32479816 PMCID: PMC7260597 DOI: 10.1016/j.tmaid.2020.101755] [Citation(s) in RCA: 115] [Impact Index Per Article: 28.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Revised: 05/13/2020] [Accepted: 05/26/2020] [Indexed: 01/08/2023]
Abstract
Coronavirus Disease 2019 (COVID-19), emerged in early December 2019 in China and became a pandemic situation worldwide by its rapid spread to more than 200 countries or territories. Bats are considered as the reservoir host, and the search of a probable intermediate host is still going on. The severe form of the infection is associated with death is mainly reported in older and immune-compromised patients with pre-existing disease history. Death in severe cases is attributed to respiratory failure associated with hyperinflammation. Cytokine storm syndrome associated with inflammation in response to SARS-CoV-2 infection is considered as the leading cause of mortality in COVID-19 patients. COVID-19 patients have thus higher levels of many proinflammatory cytokines and chemokines. The blood laboratory profile of the COVID-19 patients exhibits lymphopenia, leukopenia, thrombocytopenia, and RNAaemia, along with increased levels of aspartate aminotransferase. SARS-CoV-2 infection in pregnant women does not lead to fetus mortality, unlike other zoonotic coronaviruses such as SARS-CoV and MERS-CoV, and there is, to date, no evidence of intrauterine transmission to neonates. Rapid diagnostics have been developed, and significant efforts are being made to develop effective vaccines and therapeutics. In the absence of any virus-specific therapy, internationally, health care authorities are recommending the adoption of effective community mitigation measures to counter and contain this pandemic virus. This paper is an overview of this virus and the disease with a particular focus on SARS-CoV-2/COVID-19 clinical pathology, pathogenesis, and immunopathology, along with recent research developments.
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Affiliation(s)
- Kuldeep Dhama
- Division of Pathology, ICAR-Indian Veterinary Research Institute, Izatnagar, 243 122, Bareilly, Uttar Pradesh, India.
| | - Shailesh Kumar Patel
- Division of Pathology, ICAR-Indian Veterinary Research Institute, Izatnagar, 243 122, Bareilly, Uttar Pradesh, India
| | - Mamta Pathak
- Division of Pathology, ICAR-Indian Veterinary Research Institute, Izatnagar, 243 122, Bareilly, Uttar Pradesh, India
| | - Mohd Iqbal Yatoo
- Sher-E-Kashmir University of Agricultural Sciences and Technology of Kashmir, Shalimar, 190025, Srinagar, Jammu and Kashmir, India
| | - Ruchi Tiwari
- Department of Veterinary Microbiology and Immunology, College of Veterinary Sciences, UP Pandit Deen Dayal Upadhayay Pashu Chikitsa Vigyan Vishwavidyalay Evum Go-Anusandhan Sansthan (DUVASU), Mathura, 281001, India
| | - Yashpal Singh Malik
- Division of Biological Standardization, ICAR-Indian Veterinary Research Institute, Izatnagar, Bareilly, 243 122, Uttar Pradesh, India
| | - Rajendra Singh
- Division of Pathology, ICAR-Indian Veterinary Research Institute, Izatnagar, 243 122, Bareilly, Uttar Pradesh, India
| | - Ranjit Sah
- Department of Microbiology, Tribhuvan University Teaching Hospital, Institute of Medicine, Kathmandu, Nepal
| | - Ali A Rabaan
- Molecular Diagnostic Laboratory, Johns Hopkins Aramco Healthcare, Dhahran, Saudi Arabia
| | - D Katterine Bonilla-Aldana
- Semillero de Zoonosis, Grupo de Investigación BIOECOS, Fundación Universitaria Autónoma de las Américas, Sede Pereira, Pereira, Risaralda, Colombia; Public Health and Infection Research Group, Faculty of Health Sciences, Universidad Tecnologica de Pereira, Pereira, Colombia
| | - Alfonso J Rodriguez-Morales
- Public Health and Infection Research Group, Faculty of Health Sciences, Universidad Tecnologica de Pereira, Pereira, Colombia; Grupo de Investigacion Biomedicina, Faculty of Medicine, Fundacion Universitaria Autonoma de las Americas, Pereira, Risaralda, Colombia.
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92
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Zheng Z, Yao Z, Wu K, Zheng J. Patient follow-up after discharge after COVID-19 pneumonia: Considerations for infectious control. J Med Virol 2020; 92:2412-2419. [PMID: 32383776 PMCID: PMC7267672 DOI: 10.1002/jmv.25994] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 05/02/2020] [Accepted: 05/05/2020] [Indexed: 12/18/2022]
Abstract
Coronavirus disease 2019 (COVID-19) represents a significant global medical issue, with a growing number of cumulative confirmed cases. However, a large number of patients with COVID-19 have overcome the disease, meeting hospital discharge criteria, and are gradually returning to work and social life. Nonetheless, COVID-19 may cause further downstream issues in these patients, such as due to possible reactivation of the virus, long-term pulmonary defects, and posttraumatic stress disorder. In this study, we, therefore, queried relevant literature concerning severe acute respiratory syndrome, Middle East respiratory syndrome, and COVID-19 for reference to come to a consensus on follow-up strategies. We found that strategies, such as the implementation of polymerase chain reaction testing, imaging surveillance, and psychological assessments, starting at the time of discharge, were necessary for long-term follow-up. If close care is given to every aspect of coronavirus management, we expect that the pandemic outbreak will soon be overcome.
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Affiliation(s)
- Zhong Zheng
- Department of Evidence-Based Medicine, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Medical Aid Team in Wuhan, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Zhixian Yao
- Department of Evidence-Based Medicine, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Medical Aid Team in Wuhan, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Ke Wu
- Department of Evidence-Based Medicine, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Medical Aid Team in Wuhan, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Junhua Zheng
- Department of Evidence-Based Medicine, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Medical Aid Team in Wuhan, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
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93
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Thota SM, Balan V, Sivaramakrishnan V. Natural products as home-based prophylactic and symptom management agents in the setting of COVID-19. Phytother Res 2020; 34:3148-3167. [PMID: 32881214 PMCID: PMC7461159 DOI: 10.1002/ptr.6794] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 06/03/2020] [Accepted: 06/19/2020] [Indexed: 01/08/2023]
Abstract
Coronavirus disease (COVID‐19) caused by the novel coronavirus (SARS‐CoV‐2) has rapidly spread across the globe affecting 213 countries or territories with greater than six million confirmed cases and about 0.37 million deaths, with World Health Organization categorizing it as a pandemic. Infected patients present with fever, cough, shortness of breath, and critical cases show acute respiratory infection and multiple organ failure. Likelihood of these severe indications is further enhanced by age as well as underlying comorbidities such as diabetes, cardiovascular, or thoracic problems, as well as due to an immunocompromised state. Currently, curative drugs or vaccines are lacking, and the standard of care is limited to symptom management. Natural products like ginger, turmeric, garlic, onion, cinnamon, lemon, neem, basil, and black pepper have been scientifically proven to have therapeutic benefits against acute respiratory tract infections including pulmonary fibrosis, diffuse alveolar damage, pneumonia, and acute respiratory distress syndrome, as well as associated septic shock, lung and kidney injury, all of which are symptoms associated with COVID‐19 infection. This review highlights the potential of these natural products to serve as home‐based, inexpensive, easily accessible, prophylactic agents against COVID‐19.
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Affiliation(s)
- Sai Manohar Thota
- Department of Biosciences, Sri Sathya Sai Institute of Higher Learning, Anantapur, India
| | - Venkatesh Balan
- Engineering Technology Department, College of Technology, University of Houston, Sugar Land, Texas, USA
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94
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Johnson KD, Harris C, Cain JK, Hummer C, Goyal H, Perisetti A. Pulmonary and Extra-Pulmonary Clinical Manifestations of COVID-19. Front Med (Lausanne) 2020; 7:526. [PMID: 32903492 PMCID: PMC7438449 DOI: 10.3389/fmed.2020.00526] [Citation(s) in RCA: 102] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Accepted: 07/27/2020] [Indexed: 01/10/2023] Open
Abstract
The severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) has been recently identified as the culprit of the highly infectious, outbreak named coronavirus disease 2019 (COVID-19) in China. Now declared a public health emergency, this pandemic is present in more than 200 countries with over 14 million cases and 600,000 deaths as of July 18, 2020. Primarily transmitted through the respiratory tract, the most common clinical presentations of symptomatic individuals infected with SARS-CoV-2 include fever, dyspnea, cough, fatigue, and sore throat. In advanced cases, patients may rapidly develop respiratory failure with acute respiratory distress syndrome, and even progress to death. While it is known that COVID-19 manifests similarly to the 2003 Severe Acute Respiratory Syndrome (SARS) and the 2012 Middle East Respiratory Syndrome (MERS), primarily affecting the pulmonary system, the impact of the disease extends far beyond the respiratory system and affects other organs of the body. The literature regarding the extrapulmonary manifestations (cardiovascular, renal, hepatic, gastrointestinal, ocular, dermatologic, and neurological) of COVID-19 is scant. Herein, we provide a comprehensive review of the organ-specific clinical manifestations of COVID-19, to increase awareness about the various organs affected by SARS-CoV-2 and to provide a brief insight into the similarities and differences in the clinical manifestations of COVID-19 and the earlier SARS and MERS.
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Affiliation(s)
- Kemmian D. Johnson
- Department of Internal Medicine, Louisiana State University Health Sciences Center, New Orleans, LA, United States
| | - Christen Harris
- Department of Internal Medicine, Louisiana State University Health Sciences Center, New Orleans, LA, United States
| | - John K. Cain
- Department of Nurse Anesthesia, Texas Christian University, Fort Worth, TX, United States
| | - Cicily Hummer
- College of Medicine, Rocky Vista University College of Osteopathic Medicine, Parker, CO, United States
| | - Hemant Goyal
- Department of Internal Medicine, The Wright Center for Graduate Medical Education, Scranton, PA, United States
| | - Abhilash Perisetti
- Department of Gastroenterology and Hepatology, University of Arkansas for Medical Sciences, Little Rock, AR, United States
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95
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Zheng Z, Yao Z, Wu K, Zheng J. The diagnosis of SARS-CoV2 pneumonia: A review of laboratory and radiological testing results. J Med Virol 2020; 92:2420-2428. [PMID: 32462770 PMCID: PMC7283844 DOI: 10.1002/jmv.26081] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 05/22/2020] [Accepted: 05/25/2020] [Indexed: 12/20/2022]
Abstract
The rapid emergence of coronavirus disease 2019 (COVID‐19) has necessitated the implementation of diverse pandemic control strategies throughout the world. To effectively control the spread of this disease, it is essential that it be diagnosed at an early stage so that patients can be reliably quarantined such that disease spread will be slowed. At present, the diagnosis of this infectious form of coronavirus pneumonia is largely dependent upon a combination of laboratory testing and imaging analyses of variable diagnostic efficacy. In the present report, we reviewed prior literature pertaining to the diagnosis of different forms of pneumonia caused by coronaviruses (severe acute respiratory syndrome [SARS], Middle East respiratory syndrome, and SARS‐CoV‐2) and assessed two different potential diagnostic approaches. We ultimately found that computed tomography was associated with a higher rate of diagnostic accuracy than was a real‐time quantitative polymerase chain reaction‐based approach (P = .0041), and chest radiography (P = .0100). Even so, it is important that clinicians utilize a combination of laboratory and radiological testing where possible to ensure that this virus is reliably and quickly detected such that it may be treated and patients may be isolated in a timely fashion, thereby effectively curbing the further progression of this pandemic. CT scan could be a better diagnosis method for COVID‐19 than RT‐PCR (P = .0041). The diagnosis rate of CT scan is higher than chest radiography (P = .0100). Combination diagnosis should be the main approach for disease control.
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Affiliation(s)
- Zhong Zheng
- Department of Evidence-based Medicine, Shanghai General Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China.,Shanghai Medical Aid Team in Wuhan, Shanghai General Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Zhixian Yao
- Department of Evidence-based Medicine, Shanghai General Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China.,Shanghai Medical Aid Team in Wuhan, Shanghai General Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Ke Wu
- Department of Evidence-based Medicine, Shanghai General Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China.,Shanghai Medical Aid Team in Wuhan, Shanghai General Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Junhua Zheng
- Department of Evidence-based Medicine, Shanghai General Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China.,Shanghai Medical Aid Team in Wuhan, Shanghai General Hospital, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
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96
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Bhuiyan FR, Howlader S, Raihan T, Hasan M. Plants Metabolites: Possibility of Natural Therapeutics Against the COVID-19 Pandemic. Front Med (Lausanne) 2020; 7:444. [PMID: 32850918 PMCID: PMC7427128 DOI: 10.3389/fmed.2020.00444] [Citation(s) in RCA: 78] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Accepted: 07/06/2020] [Indexed: 12/16/2022] Open
Abstract
COVID-19, a disease induced by SARS-CoV-2 (Severe Acute Respiratory Syndrome Coronavirus-2), has been the cause of a worldwide pandemic. Though extensive research works have been reported in recent days on the development of effective therapeutics against this global health crisis, there is still no approved therapy against SARS-CoV-2. In the present study, plant-synthesized secondary metabolites (PSMs) have been prioritized to make a review focusing on the efficacy of plant-originated therapeutics for the treatment of COVID-19. Plant metabolites are a source of countless medicinal compounds, while the diversity of multidimensional chemical structures has made them superior to treat serious diseases. Some have already been reported as promising alternative medicines and lead compounds for drug repurposing and discovery. The versatility of secondary metabolites may provide novel antibiotics to tackle MDR (Multi-Drug Resistant) microbes too. This review attempted to find out plant metabolites that have the therapeutic potential to treat a wide range of viral pathogens. The study includes the search of remedies belonging to plant families, susceptible viral candidates, antiviral assays, and the mode of therapeutic action; this attempt resulted in the collection of an enormous number of natural therapeutics that might be suggested for the treatment of COVID-19. About 219 plants from 83 families were found to have antiviral activity. Among them, 149 plants from 71 families were screened for the identification of the major plant secondary metabolites (PSMs) that might be effective for this pandemic. Our investigation revealed that the proposed plant metabolites can serve as potential anti- SARS-CoV-2 lead molecules for further optimization and drug development processes to combat COVID-19 and future pandemics caused by viruses. This review will stimulate further analysis by the scientific community and boost antiviral plant-based research followed by novel drug designing.
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Affiliation(s)
- Farhana Rumzum Bhuiyan
- Department of Botany, University of Chittagong, Chittagong, Bangladesh
- Laboratory of Biotechnology and Molecular Biology, Department of Botany, University of Chittagong, Chittagong, Bangladesh
| | - Sabbir Howlader
- Department of Applied Chemistry and Chemical Engineering, University of Chittagong, Chittagong, Bangladesh
| | - Topu Raihan
- Department of Genetic Engineering and Biotechnology, Shahjalal University of Science and Technology, Sylhet, Bangladesh
| | - Mahmudul Hasan
- Department of Pharmaceuticals and Industrial Biotechnology, Sylhet Agricultural University, Sylhet, Bangladesh
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97
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McArthur L, Sakthivel D, Ataide R, Chan F, Richards JS, Narh CA. Review of Burden, Clinical Definitions, and Management of COVID-19 Cases. Am J Trop Med Hyg 2020; 103:625-638. [PMID: 32618260 PMCID: PMC7410412 DOI: 10.4269/ajtmh.20-0564] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 06/24/2020] [Indexed: 01/08/2023] Open
Abstract
Our understanding of SARS-CoV-2, the virus responsible for coronavirus disease 2019 (COVID-19), its clinical manifestations, and treatment options continues to evolve at an unparalleled pace. This review sought to summarize the key literature regarding transmission, case definitions, clinical management, and the burden of COVID-19. Our review of the literature showed that SARS-CoV-2 was mainly transmitted via inhalation of respiratory droplets containing the virus and had a mean incubation period of 4-6 days. The commonly reported symptoms were fever (75.3% ± 18.7%) and cough (62.6% ± 17.7%) across the spectrum of clinical disease-mild, moderate, severe, and critical, but with the disease phenotype varying with severity. Categorization of these cases for home care or hospital management needs to be defined, with risk stratification accounting for the age of the patient and the presence of underlying comorbidities. The case definitions varied among countries, which could have contributed to the differences in the case fatality rates among affected countries. The severity and risk of death due to COVID-19 was associated with age and underlying comorbidities. Asymptomatic cases, which constitute 40-80% of COVID-19 cases are a considerable threat to control efforts. The presence of fever and cough may be sufficient to warrant COVID-19 testing, but using these symptoms in isolation will miss a proportion of cases. A clear definition of a COVID-19 case is essential for the management, treatment, and tracking of clinical illness, and to inform the quarantine measures and social distancing that can help control the spread of SARS-CoV-2.
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Affiliation(s)
- Laura McArthur
- School of Medicine, Monash University, Clayton, Australia
| | | | - Ricardo Ataide
- Department of Medicine, University of Melbourne, Melbourne, Australia
- Walter and Eliza Hall Institute, Melbourne, Australia
| | - Felicia Chan
- Central Clinical School, Monash University, Clayton, Australia
| | - Jack S. Richards
- ZiP Diagnostics Pty Ltd, Collingwood, Australia
- Department of Medicine, University of Melbourne, Melbourne, Australia
- Burnet Institute for Medical Research, Melbourne, Australia
| | - Charles A. Narh
- ZiP Diagnostics Pty Ltd, Collingwood, Australia
- Department of Medicine, University of Melbourne, Melbourne, Australia
- Burnet Institute for Medical Research, Melbourne, Australia
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98
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Myatra SN, Gupta S, Pai PS. Anesthesia for oral surgeries during the COVID-19 pandemic. J Anaesthesiol Clin Pharmacol 2020; 36:S96-S104. [PMID: 33100656 PMCID: PMC7574004 DOI: 10.4103/joacp.joacp_355_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 06/27/2020] [Accepted: 07/04/2020] [Indexed: 11/05/2022] Open
Abstract
The severe acute respiratory syndrome corona virus 2(SARS-Cov2) virus replicates in the nasal cavity, nasopharynx, and the oropharynx. During oral surgery, the risk of viral transmission is high during instrumentation in these areas, while performing airway management procedures, the oral surgery itself, and related procedures. During the corona virus disease 2019 (COVID-19) pandemic, patients with an oral pathology usually present for emergency procedures. However, patients with oral cancer, being a semi-emergency, may also present for diagnostic and therapeutic procedures. When elective surgeries are resumed, these patients will come to the operating room. In asymptomatic patients, the false-negative rate can be as high as 30%. These patients are a source of infection to the healthcare workers and other patients. This mandates universal precautions to be taken for all patients presenting for surgery. Lesions along the airway, distorted anatomy secondary to cancer therapy, shared airway with the surgeon, surgical handling of the airway and the risk of bleeding, make airway management challenging in these patients, especially while wearing personal protective equipment. Airway management procedures, oral surgery, use of cautery, and other powered surgical instruments in the aero digestive tract, along with constant suctioning are a source of significant aerosol generation, further adding to the risk of viral transmission. Maintaining patient safety, while protecting the healthcare workers from getting infected during oral surgery is paramount. Meticulous advance planning and team preparation are essential. In this review, we discuss the challenges and recommendations for safe anesthesia practice for oral surgery during the COVID-19 pandemic, with special emphasis on risk mitigation.
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Affiliation(s)
- Sheila N Myatra
- Department of Anaesthesiology, Critical Care and Pain, Tata Memorial Hospital, Homi Bhabha National Institute, Mumbai, Maharashtra, India
| | - Sushan Gupta
- Department of Anaesthesiology, Critical Care and Pain, Tata Memorial Hospital, Homi Bhabha National Institute, Mumbai, Maharashtra, India
| | - Prathamesh S Pai
- Department of Head and Neck Surgical Oncology, Tata Memorial Hospital, Homi Bhabha National Institute, Mumbai, Maharashtra, India
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99
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Wallace TC. Combating COVID-19 and Building Immune Resilience: A Potential Role for Magnesium Nutrition? J Am Coll Nutr 2020; 39:685-693. [PMID: 32649272 DOI: 10.1080/07315724.2020.1785971] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Background: In December 2019, the viral pandemic of respiratory illness caused by COVID-19 began sweeping its way across the globe. Several aspects of this infectious disease mimic metabolic events shown to occur during latent subclinical magnesium deficiency. Hypomagnesemia is a relatively common clinical occurrence that often goes unrecognized since magnesium levels are rarely monitored in the clinical setting. Magnesium is the second most abundant intracellular cation after potassium. It is involved in >600 enzymatic reactions in the body, including those contributing to the exaggerated immune and inflammatory responses exhibited by COVID-19 patients.Methods: A summary of experimental findings and knowledge of the biochemical role magnesium may play in the pathogenesis of COVID-19 is presented in this perspective. The National Academy of Medicine's Standards for Systematic Reviews were independently employed to identify clinical and prospective cohort studies assessing the relationship of magnesium with interleukin-6, a prominent drug target for treating COVID-19.Results: Clinical recommendations are given for prevention and treatment of COVID-19. Constant monitoring of ionized magnesium status with subsequent repletion, when appropriate, may be an effective strategy to influence disease contraction and progression. The peer-reviewed literature supports that several aspects of magnesium nutrition warrant clinical consideration. Mechanisms include its "calcium-channel blocking" effects that lead to downstream suppression of nuclear factor-Kβ, interleukin-6, c-reactive protein, and other related endocrine disrupters; its role in regulating renal potassium loss; and its ability to activate and enhance the functionality of vitamin D, among others.Conclusion: As the world awaits an effective vaccine, nutrition plays an important and safe role in helping mitigate patient morbidity and mortality. Our group is working with the Academy of Nutrition and Dietetics to collect patient-level data from intensive care units across the United States to better understand nutrition care practices that lead to better outcomes.
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Affiliation(s)
- Taylor C Wallace
- Think Healthy Group, Washington, DC, USA.,Department of Nutrition and Food Studies, George Mason University, Fairfax, Virginia, USA.,Center for Magnesium Education & Research, Pahoa, Hawaii, USA
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100
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Lenzen M, Li M, Malik A, Pomponi F, Sun YY, Wiedmann T, Faturay F, Fry J, Gallego B, Geschke A, Gómez-Paredes J, Kanemoto K, Kenway S, Nansai K, Prokopenko M, Wakiyama T, Wang Y, Yousefzadeh M. Global socio-economic losses and environmental gains from the Coronavirus pandemic. PLoS One 2020; 15:e0235654. [PMID: 32645023 PMCID: PMC7347123 DOI: 10.1371/journal.pone.0235654] [Citation(s) in RCA: 123] [Impact Index Per Article: 30.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 06/21/2020] [Indexed: 01/23/2023] Open
Abstract
On 3 April 2020, the Director-General of the WHO stated: "[COVID-19] is much more than a health crisis. We are all aware of the profound social and economic consequences of the pandemic (WHO, 2020)". Such consequences are the result of counter-measures such as lockdowns, and world-wide reductions in production and consumption, amplified by cascading impacts through international supply chains. Using a global multi-regional macro-economic model, we capture direct and indirect spill-over effects in terms of social and economic losses, as well as environmental effects of the pandemic. Based on information as of May 2020, we show that global consumption losses amount to 3.8$tr, triggering significant job (147 million full-time equivalent) and income (2.1$tr) losses. Global atmospheric emissions are reduced by 2.5Gt of greenhouse gases, 0.6Mt of PM2.5, and 5.1Mt of SO2 and NOx. While Asia, Europe and the USA have been the most directly impacted regions, and transport and tourism the immediately hit sectors, the indirect effects transmitted along international supply chains are being felt across the entire world economy. These ripple effects highlight the intrinsic link between socio-economic and environmental dimensions, and emphasise the challenge of addressing unsustainable global patterns. How humanity reacts to this crisis will define the post-pandemic world.
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Affiliation(s)
- Manfred Lenzen
- Integrated Sustainability Analysis, School of Physics, The University of Sydney, Sydney, NSW, Australia
| | - Mengyu Li
- Integrated Sustainability Analysis, School of Physics, The University of Sydney, Sydney, NSW, Australia
| | - Arunima Malik
- Integrated Sustainability Analysis, School of Physics, The University of Sydney, Sydney, NSW, Australia
- Discipline of Accounting, School of Business, The University of Sydney, Sydney, NSW, Australia
| | - Francesco Pomponi
- Resource Efficient Built Environment Lab, Edinburgh Napier University, Edinburgh, United Kingdom
| | - Ya-Yen Sun
- Business School, The University of Queensland, Brisbane, QLD, Australia
| | - Thomas Wiedmann
- School of Civil and Environmental Engineering, UNSW Sydney, Sydney, NSW, Australia
| | - Futu Faturay
- Fiscal Policy Agency, Ministry of Finance of The Republic of Indonesia, Jakarta, Indonesia
| | - Jacob Fry
- Integrated Sustainability Analysis, School of Physics, The University of Sydney, Sydney, NSW, Australia
- Research Institute for Humanity and Nature, Kyoto, Japan
| | - Blanca Gallego
- Centre for Big Data Research in Health, UNSW Sydney, Sydney, NSW, Australia
| | - Arne Geschke
- Integrated Sustainability Analysis, School of Physics, The University of Sydney, Sydney, NSW, Australia
| | - Jorge Gómez-Paredes
- School of Earth Sciences, Energy and Environment, Yachay Tech University, Urcuquí, Ecuador
- Nicholas School of the Environment, Duke University, Durham, NC, United States of America
| | | | - Steven Kenway
- Advanced Water Management Centre, The University of Queensland, Brisbane, QLD, Australia
| | - Keisuke Nansai
- Integrated Sustainability Analysis, School of Physics, The University of Sydney, Sydney, NSW, Australia
- Center for Material Cycles and Waste Management Research, National Institute for Environmental Studies, Tsukuba, Japan
| | - Mikhail Prokopenko
- Centre for Complex Systems, The University of Sydney, Sydney, NSW, Australia
| | - Takako Wakiyama
- Integrated Sustainability Analysis, School of Physics, The University of Sydney, Sydney, NSW, Australia
| | - Yafei Wang
- School of Statistics, Beijing Normal University, Beijing, P.R. China
| | - Moslem Yousefzadeh
- Integrated Sustainability Analysis, School of Physics, The University of Sydney, Sydney, NSW, Australia
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