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https://www.readbyqxmd.com/read/28734432/outbreak-of-middle-east-respiratory-syndrome-coronavirus-causes-high-fatality-after-cardiac-operations
#1
Rakan I Nazer
Middle East respiratory syndrome-coronavirus (MERS-CoV) resembles a severe form of community-acquired pneumonia initially reported in Saudi Arabia in 2012. The MERS-CoV epidemic poses a big challenge because of its high mortality. In January 2015, a patient who was potentially incubating MERS-CoV arrived from the emergency department of another hospital and was admitted with acute coronary syndrome. This resulted in an outbreak in the cardiac surgery ward that caused the deaths of 5 of 6 patients who had undergone cardiac operations...
August 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28728926/diagnostic-delays-in-537-symptomatic-cases-of-mers-cov-infection-in-saudi-arabia
#2
Anwar E Ahmed
BACKGROUND: Although the literature indicates the potential outcomes of a patient's delay in seeking medical support is associated with poor clinical outcomes, delays in the diagnosis itself remain poorly understood in patients with Middle East Respiratory Syndrome - Coronavirus (MERS-CoV). This study aims to estimate the median time interval of confirmed diagnosis after symptom onset and identify its potential predictors in Saudi Arabian MERS patients. METHODS: A retrospective study involved patients confirmed with MERS who were publicly reported by the World Health Organization (WHO)...
July 17, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28725945/genetic-characteristics-of-coronaviruses-from-korean-bats-in-2016
#3
Saemi Lee, Seong-Deok Jo, Kidong Son, Injung An, Jipseol Jeong, Seung-Jun Wang, Yongkwan Kim, Weonhwa Jheong, Jae-Ku Oem
Bats have increasingly been recognized as the natural reservoir of severe acute respiratory syndrome (SARS), coronavirus, and other coronaviruses found in mammals. However, little research has been conducted on bat coronaviruses in South Korea. In this study, bat samples (332 oral swabs, 245 fecal samples, 38 urine samples, and 57 bat carcasses) were collected at 33 natural bat habitat sites in South Korea. RT-PCR and sequencing were performed for specific coronavirus genes to identify the bat coronaviruses in different bat samples...
July 19, 2017: Microbial Ecology
https://www.readbyqxmd.com/read/28719257/no-serologic-evidence-of-middle-east-respiratory-syndrome-coronavirus-infection-among-camel-farmers-exposed-to-highly-seropositive-camel-herds-a-household-linked-study-kenya-2013
#4
Peninah Munyua, Victor Max Corman, Austine Bitek, Eric Osoro, Benjamin Meyer, Marcel A Müller, Erik Lattwein, S M Thumbi, Rees Murithi, Marc-Alain Widdowson, Christian Drosten, M Kariuki Njenga
AbstractHigh seroprevalence of Middle East respiratory syndrome coronavirus (MERS-CoV) among camels has been reported in Kenya and other countries in Africa. To date, the only report of MERS-CoV seropositivity among humans in Kenya is of two livestock keepers with no known contact with camels. We assessed whether persons exposed to seropositive camels at household level had serological evidence of infection. In 2013, 760 human and 879 camel sera were collected from 275 and 85 households respectively in Marsabit County...
June 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28712204/middle-east-respiratory-syndrome-corona-virus-alert-verification-in-mirpur-azad-kashmir
#5
Mumtaz Ali Khan, Muhammad Ishaq, Mujeeb Ur Rehman, Asim Altaf, Mirza Aamir Baig, Safdar Rana, Jaleel Kamran, Muazam Abbas Ranjha, Jawad Asgher Rana
BACKGROUND: Middle East Respiratory-Corona virus (MERS-CoV), SARS like virus, identified in September 2012 in Middle-East. February 2013, an elderly man, who visited Pakistan and KSA, was confirmed as MRS-CoV in UK. A team visited Mirpur to assess current and past SARI trends in major indoor facilities, to explore possible contact of the patient with known or suspected SARI case during his stay in Pakistan and enlist close contacts. METHODS: Review of indoor records in hospitals, interviews with relatives & physicians and active contact tracing using operational case definition...
January 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28709419/the-clinical-and-virological-features-of-the-first-imported-case-causing-mers-cov-outbreak-in-south-korea-2015
#6
Ji Yeon Lee, You-Jin Kim, Eun Hee Chung, Dae-Won Kim, Ina Jeong, Yeonjae Kim, Mi-Ran Yun, Sung Soon Kim, Gayeon Kim, Joon-Sung Joh
BACKGROUND: In 2015, the largest outbreak of Middle East respiratory syndrome coronavirus (MERS-CoV) infection outside the Middle East occurred in South Korea. We summarized the epidemiological, clinical, and laboratory findings of the first Korean case of MERS-CoV and analyzed whole-genome sequences of MERS-CoV derived from the patient. CASE PRESENTATION: A 68-year-old man developed fever and myalgia 7 days after returning to Korea, following a 10-day trip to the Middle East...
July 14, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28703921/estimating-and-modelling-the-transmissibility-of-middle-east-respiratory-syndrome-corona-virus-during-the-2015-outbreak-in-the-republic-of-korea
#7
Xu-Sheng Zhang, Richard Pebody, Andre Charlett, Daniela de Angelis, Paul Birrell, Hunseok Kang, Marc Baguelin, Yoon Hong Choi
BACKGROUND: Emerging respiratory infections represent a significant public health threat. Because of their novelty, there are limited measures available to control their early spread. Learning from past outbreaks is important for future preparation. The MERS-CoV 2015 outbreak in the Republic of Korea (ROK) provides one such opportunity. OBJECTIVES: We demonstrated through quantitative methodologies how to estimate MERS-CoV's transmissibility and identified the effective countermeasures that stopped its spread...
July 13, 2017: Influenza and Other Respiratory Viruses
https://www.readbyqxmd.com/read/28695355/suggested-new-breakpoints-of-anti-mers-cov-antibody-elisa-titers-performance-analysis-of-serologic-tests
#8
J-H Ko, M A Müller, H Seok, G E Park, J Y Lee, S Y Cho, Y E Ha, J Y Baek, S H Kim, J-M Kang, Y-J Kim, I J Jo, C R Chung, M-J Hahn, C Drosten, C-I Kang, D R Chung, J-H Song, E-S Kang, K R Peck
To provide optimal cut-off values of anti-Middle East respiratory syndrome coronavirus (MERS-CoV) serologic tests, we evaluated performance of ELISA IgG, ELISA IgA, IFA IgM, and IFA IgG using 138 serum samples of 49 MERS-CoV-infected patients and 219 serum samples of 219 rRT-PCR-negative MERS-CoV-exposed healthcare personnel and patients. The performance analysis was conducted for two different purposes: (1) prediction of neutralization activity in MERS-CoV-infected patients, and (2) epidemiologic surveillance of MERS-CoV infections among MERS-CoV-exposed individuals...
July 11, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28683463/middle-east-respiratory-syndrome-coronavirus-and-pulmonary-tuberculosis-coinfection-implications-for-infection-control
#9
Sarah H Alfaraj, Jaffar A Al-Tawfiq, Talal A Altuwaijri, Ziad A Memish
Coinfection of Middle East respiratory syndrome coronavirus (MERS-CoV) with tuberculosis (TB) has not been previously reported. Here, we present 2 cases with both MERS-CoV and pulmonary TB. The first case was a 13-year-old patient who was admitted with a 2-month history of fever, weight loss, night sweats, and cough. The second patient was a 30-year-old female who had a 4-week history of cough associated with shortness of breath and weight loss of 2 kg. The 2 patients were diagnosed with pulmonary TB and had positive MERS-CoV...
July 6, 2017: Intervirology
https://www.readbyqxmd.com/read/28680819/middle-east-respiratory-syndrome-clinical-practice-guideline-for-hemodialysis-facilities
#10
Hayne Cho Park, Young-Ki Lee, Sang-Ho Lee, Kyung Don Yoo, Hee Jung Jeon, Dong-Ryeol Ryu, Seong Nam Kim, Seung Hwan Sohn, Rho Won Chun, Kyu Bok Choi
The Korean Society of Nephrology participated in the task force team consisting of government authorities and civilian experts to prevent and control the spread of Middle East respiratory syndrome (MERS) in 2015. The Korean Society of Nephrology MERS Task Force Team took an immediate action and drafted 'the clinical recommendation for hemodialysis facilities' to follow when the first and the only confirmed case was reported in the hemodialysis unit. Owing to the dedicated support from medical doctors, dialysis nurses, and related medical companies, we could prevent further transmission of MERS infection successfully in hemodialysis units...
June 2017: Kidney Research and Clinical Practice
https://www.readbyqxmd.com/read/28676301/toward-the-identification-of-viral-cap-methyltransferase-inhibitors-by-fluorescence-screening-assay
#11
Wahiba Aouadi, Cécilia Eydoux, Bruno Coutard, Baptiste Martin, Françoise Debart, Jean Jacques Vasseur, Jean Marie Contreras, Christophe Morice, Gilles Quérat, Marie-Louise Jung, Bruno Canard, Jean-Claude Guillemot, Etienne Decroly
Two highly pathogenic human coronaviruses associated with severe respiratory syndromes emerged since the beginning of the century. The severe acute respiratory syndrome SARS-coronavirus (CoV) spread first in southern China in 2003 with about 8000 infected cases in few months. Then in 2012, the Middle East respiratory syndrome (MERS-CoV) emerged from the Arabian Peninsula giving a still on-going epidemic associated to a high fatality rate. CoVs are thus considered a major health threat. This is especially true as no vaccine nor specific therapeutic are available against either SARS- or MERS-CoV...
July 1, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28676285/-it-feels-like-i-m-the-dirtiest-person-in-the-world-exploring-the-experiences-of-healthcare-providers-who-survived-mers-cov-in-saudi-arabia
#12
Adel F Almutairi, Abdallah A Adlan, Hanan H Balkhy, Oraynab Abou Abbas, Alexander M Clark
In summer 2015, a Saudi 1000-bed tertiary care hospital experienced a serious outbreak among patients of Middle Eastern Respiratory Syndrome (MERS); during which, some healthcare providers contracted the virus, but none died. The outbreak provoked not only fear and stress; but also professional, emotional, ethical, and social conflicts and tension among healthcare providers and patients alike. Therefore, this study aims to explore what healthcare providers, who survived coronavirus infection, have experienced as a MERS patient and how the infection affected their relationship with their colleagues...
July 1, 2017: Journal of Infection and Public Health
https://www.readbyqxmd.com/read/28659436/broad-spectrum-antiviral-gs-5734-inhibits-both-epidemic-and-zoonotic-coronaviruses
#13
Timothy P Sheahan, Amy C Sims, Rachel L Graham, Vineet D Menachery, Lisa E Gralinski, James B Case, Sarah R Leist, Krzysztof Pyrc, Joy Y Feng, Iva Trantcheva, Roy Bannister, Yeojin Park, Darius Babusis, Michael O Clarke, Richard L Mackman, Jamie E Spahn, Christopher A Palmiotti, Dustin Siegel, Adrian S Ray, Tomas Cihlar, Robert Jordan, Mark R Denison, Ralph S Baric
Emerging viral infections are difficult to control because heterogeneous members periodically cycle in and out of humans and zoonotic hosts, complicating the development of specific antiviral therapies and vaccines. Coronaviruses (CoVs) have a proclivity to spread rapidly into new host species causing severe disease. Severe acute respiratory syndrome CoV (SARS-CoV) and Middle East respiratory syndrome CoV (MERS-CoV) successively emerged, causing severe epidemic respiratory disease in immunologically naïve human populations throughout the globe...
June 28, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28655936/a-novel-neutralizing-monoclonal-antibody-targeting-the-n-terminal-domain-of-the-mers-cov-spike-protein
#14
Yingzhu Chen, Shuai Lu, Hao Jia, Yao Deng, Jianfang Zhou, Baoying Huang, Yueyang Yu, Jiaming Lan, Wenling Wang, Yongliang Lou, Kun Qin, Wenjie Tan
This corrects the article DOI: 10.1038/emi.2017.18.
June 28, 2017: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/28653496/middle-east-respiratory-syndrome-coronavirus-experimental-transmission-using-a-pig-model
#15
J Vergara-Alert, V S Raj, M Muñoz, F X Abad, I Cordón, B L Haagmans, A Bensaid, J Segalés
Dromedary camels are the main reservoir of Middle East respiratory syndrome coronavirus (MERS-CoV), but other livestock species (i.e., alpacas, llamas, and pigs) are also susceptible to infection with MERS-CoV. Animal-to-animal transmission in alpacas was reported, but evidence for transmission in other species has not been proved. This study explored pig-to-pig MERS-CoV transmission experimentally. Virus was present in nasal swabs of infected animals, and limited amounts of viral RNA, but no infectious virus were detected in the direct contact pigs...
June 26, 2017: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/28651017/crystal-structure-of-middle-east-respiratory-syndrome-coronavirus-helicase
#16
Wei Hao, Justyna Aleksandra Wojdyla, Rong Zhao, Ruiyun Han, Rajat Das, Ivan Zlatev, Muthiah Manoharan, Meitian Wang, Sheng Cui
Middle East respiratory syndrome coronavirus (MERS-CoV) remains a threat to public health worldwide; however, effective vaccine or drug against CoVs remains unavailable. CoV helicase is one of the three evolutionary most conserved proteins in nidoviruses, thus making it an important target for drug development. We report here the first structure of full-length coronavirus helicase, MERS-CoV nsp13. MERS-CoV helicase has multiple domains, including an N-terminal Cys/His rich domain (CH) with three zinc atoms, a beta-barrel domain and a C-terminal SF1 helicase core with two RecA-like subdomains...
June 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28647126/mers-cov-infection-mind-the-public-knowledge-gap
#17
Amen Bawazir, Eman Al-Mazroo, Hoda Jradi, Anwar Ahmed, Motasim Badri
In August 2015, the Corona outbreak caused by Middle East respiratory syndrome coronavirus (MERS-CoV) was the 9th episode since June 2012 in Saudi Arabia. Little is known about the public awareness toward the nature or prevention of the disease. The aim of this work was to assess the knowledge of the adult population in Riyadh toward the MERS-CoV. In this cross-sectional survey, a self-administrated questionnaire was distributed to randomly selected participants visiting malls in Riyadh. The questionnaire contained measurable epidemiological and clinical MERS-CoV knowledge level variables and relevant source of information...
June 21, 2017: Journal of Infection and Public Health
https://www.readbyqxmd.com/read/28642467/targeting-coronaviral-replication-and-cellular-jak2-mediated-dominant-nf-%C3%AE%C2%BAb-activation-for-comprehensive-and-ultimate-inhibition-of-coronaviral-activity
#18
Cheng-Wei Yang, Yue-Zhi Lee, Hsing-Yu Hsu, Chuan Shih, Yu-Sheng Chao, Hwan-You Chang, Shiow-Ju Lee
Tylophorine-based compounds exert broad spectral, potent inhibition of coronaviruses. NF-κB activation is a common pro-inflammatory response of host cells to viral infection. The aims of this study were to (i) find an effective combination treatment for coronaviral infections through targeting of the virus per se and cellular NF-κB activity; and (ii) to study the underling mechanisms. We found that tylophorine-based compounds target the TGEV viral RNA and effectively inhibit TGEV replication. NF-κB inhibition also leads to anti-TGEV replication...
June 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28636980/a-multiplex-liquid-chip-assay-based-on-luminex-xmap-technology-for-simultaneous-detection-of-six-common-respiratory-viruses
#19
Yong Yan, Jian-Yong Luo, Yin Chen, Heng-Hui Wang, Guo-Ying Zhu, Pei-Yan He, Jin-Lei Guo, Yong-Liang Lei, Zhong-Wen Chen
We utilized one-step multiplex reverse transcription-PCR (RT-PCR) and Luminex xMAP technology to develop a respiratory multiplex liquid-chip assay (rMLA) for simultaneous detection of 6 common respiratory viruses, including influenza virus type A (FluA) and type B (FluB), para-influenza virus type 3 (PIV-3), respiratory syncytial virus (RSV), human metapneumovirus (MPV) and a threatening virus to China, Middle East Respiratory Syndrome coronavirus (MERS-CoV). Performance of rMLA was evaluated by comparing with real-time RT-PCR...
June 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28634355/longitudinal-study-of-middle-east-respiratory-syndrome-coronavirus-infection-in-dromedary-camel-herds-in-saudi-arabia-2014-2015
#20
Maged Gomaa Hemida, Abdulmohsen Alnaeem, Daniel Kw Chu, Ranawaka Apm Perera, Samuel Ms Chan, Faisal Almathen, Emily Yau, Brian Cy Ng, Richard J Webby, Leo Lm Poon, Malik Peiris
Two herds of dromedary camels were longitudinally sampled with nasal and rectal swabs and serum, between September 2014 and May 2015, and the samples were tested for Middle East Respiratory Syndrome (MERS) coronavirus RNA and antibodies. Evidence of MERS-CoV infection was confirmed in one herd on the basis of detection of virus RNA in nasal swabs from three camels and significant increases in the antibody titers from three others. The three viruses were genetically identical, thus indicating introduction of a single virus into this herd...
June 21, 2017: Emerging Microbes & Infections
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