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https://www.readbyqxmd.com/read/28449019/the-clear-and-present-danger-of-carbapenemase-producing-enterobacteriaceae-cpe-in-new-zealand-time-for-a-national-response-plan
#1
Matthew Blakiston, Helen Heffernan, Sally Roberts, Joshua Freeman
Antimicrobial resistance (AMR) in general poses a threat to the sustainability of modern healthcare, but a particularly urgent and serious threat is posed by a specific group of antibiotic-resistant bacteria known as carbapenemase-producing Enterobacteriaceae (CPE). CPE are resistant to nearly all antibiotics and include common pathogens such as Escherichia coli and Klebsiella pneumoniae. In New Zealand, the incidence of CPE has increased from three isolates in 2012 to 45 in 2016. The current epidemiology of CPE in New Zealand has similarities with the extended-spectrum β-lactamase-producing Enterobacteriaceae (ESBL-PE) epidemic in the early 2000s (just before ESBL-PE underwent a non-linear increase in incidence)...
April 28, 2017: New Zealand Medical Journal
https://www.readbyqxmd.com/read/28448640/mapping-of-the-lassa-virus-lamp1-binding-site-reveals-unique-determinants-not-shared-by-other-old-world-arenaviruses
#2
Hadar Israeli, Hadas Cohen-Dvashi, Anastasiya Shulman, Amir Shimon, Ron Diskin
Cell entry of many enveloped viruses occurs by engagement with cellular receptors, followed by internalization into endocytic compartments and pH-induced membrane fusion. A previously unnoticed step of receptor switching was found to be critical during cell entry of two devastating human pathogens: Ebola and Lassa viruses. Our recent studies revealed the functional role of receptor switching to LAMP1 for triggering membrane fusion by Lassa virus and showed the involvement of conserved histidines in this switching, suggesting that other viruses from this family may also switch to LAMP1...
April 27, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28447193/ebola-and-marburg-virus-vaccines
#3
REVIEW
Pierce Reynolds, Andrea Marzi
The filoviruses, Ebola virus (EBOV), and Marburg virus (MARV), are among the most pathogenic viruses known to man and the causative agents of viral hemorrhagic fever outbreaks in Africa with case fatality rates of up to 90%. Nearly 30,000 infections were observed in the latest EBOV epidemic in West Africa; previous outbreaks were much smaller, typically only affecting less than a few hundred people. Compared to other diseases such as AIDS or Malaria with millions of cases annually, filovirus hemorrhagic fever (FHF) is one of the neglected infectious diseases...
April 26, 2017: Virus Genes
https://www.readbyqxmd.com/read/28446368/ebola-related-stigma-in-ghana-individual-and-community-level-determinants
#4
Eric Y Tenkorang
RATIONALE: Although Ebola-related stigmatization continues to undermine efforts to re-integrate survivors, few studies have examined what influences such stigmatizing attitudes. OBJECTIVE: This paper explores the effects of both individual- and community-level factors on Ebola-related stigma in Ghana. METHODS: Data were collected from a cross-section of 800 respondents, nested within 40 communities in the Greater Accra Region of Ghana. Multi-level modelling was employed for analysis...
April 14, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28446173/impact-of-the-ebola-outbreak-on-routine-immunization-in-western-area-sierra-leone-a-field-survey-from-an-ebola-epidemic-area
#5
Xiaojin Sun, T T Samba, Jianyi Yao, Wenwu Yin, Lin Xiao, Fuqiang Liu, Xiaoqiang Liu, Jikun Zhou, Zengqiang Kou, Hongwei Fan, Hao Zhang, Aqnes Williams, Paul M Lansana, Zundong Yin
BACKGROUND: Since March 2014, the Ebola Virus Disease (EVD) outbreak in West Africa disrupted health care systems - especially in Guinea, Liberia and Sierra Leone - with a consequential stress on the area's routine immunization programs. To address perceived decreased vaccination coverage, Sierra Leone conducted a catch-up vaccination campaign during 24-27 April 2015. We conducted a vaccination coverage survey and report coverage estimates surrounding the time of the EVD outbreak and the catch-up campaign...
April 26, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28444452/ebola-virus-disease-in-children-during-the-2014-2015-epidemic-in-guinea-a-nationwide-cohort-study
#6
Mahamoud Sama Chérif, Nut Koonrungsesomboon, Diénaba Kassé, Sékou Ditinn Cissé, Saliou Bella Diallo, Fatoumata Chérif, Facély Camara, Alpha Koné, Eleonor Fundan Avenido, Mandiou Diakité, Mamadou Pathé Diallo, Edouard Le Gall, Mohamed Cissé, Juntra Karbwang, Kenji Hirayama
The most recent epidemic of Ebola virus disease (EVD) has resulted in more than 11,000 deaths in West Africa. It has threatened child health in the affected countries, including Guinea. This nationwide retrospective cohort study included all children under 20 years of age with laboratory-confirmed EVD in Guinea during the 2014-2015 Ebola outbreak for analysis. Of 8,448 children with probable or suspected EVD, 695 cases were laboratory-confirmed EVD. The overall case fatality rate (CFR) was 62.9%. Pediatric patients with younger age had a significantly higher rate of death (adjusted OR = 0...
April 25, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28442605/the-toll-like-receptor-4-antagonist-eritoran-protects-mice-from-lethal-filovirus-challenge
#7
Patrick Younan, Palaniappan Ramanathan, Jessica Graber, Fabian Gusovsky, Alexander Bukreyev
The 2013-2016 outbreak of Ebola virus (EBOV) in West Africa, which has seen intermittent reemergence since it was officially declared over in February of 2016, has demonstrated the need for the rapid development of therapeutic intervention strategies. Indirect evidence has suggested that the EBOV infection shares several commonalities associated with the onset of bacterial sepsis, including the development of a "cytokine storm." Eritoran, a Toll-like receptor 4 (TLR4) antagonist, was previously shown to result in protection of mice against lethal influenza virus infection...
April 25, 2017: MBio
https://www.readbyqxmd.com/read/28440550/political-drivers-of-epidemic-response-foreign-healthcare-workers-and-the-2014-ebola-outbreak
#8
Daniel Nohrstedt, Erik Baekkeskov
This study demonstrates that countries responded quite differently to calls for healthcare workers (HCWs) during the Ebola epidemic in West Africa in 2014. Using a new dataset on the scale and timing of national pledges and the deployment of HCWs to states experiencing outbreaks of the virus disease (principally, Guinea, Liberia, and Sierra Leone), it shows that few foreign nations deployed HCWs early, some made pledges but then fulfilled them slowly, and most sent no HCWs at all. To aid understanding of such national responses, the paper reviews five theoretical perspectives that offer potentially competing or complementary explanations of foreign government medical assistance for international public health emergencies...
April 25, 2017: Disasters
https://www.readbyqxmd.com/read/28440096/strategies-in-ebola-virus-disease-evd-diagnostics-at-the-point-of-care
#9
Chad T Coarsey, Nwadiuto Esiobu, Ramswamy Narayanan, Mirjana Pavlovic, Hadi Shafiee, Waseem Asghar
Ebola virus disease (EVD) is a devastating, highly infectious illness with a high mortality rate. The disease is endemic to regions of Central and West Africa, where there is limited laboratory infrastructure and trained staff. The recent 2014 West African EVD outbreak has been unprecedented in case numbers and fatalities, and has proven that such regional outbreaks can become a potential threat to global public health, as it became the source for the subsequent transmission events in Spain and the USA. The urgent need for rapid and affordable means of detecting Ebola is crucial to control the spread of EVD and prevent devastating fatalities...
April 25, 2017: Critical Reviews in Microbiology
https://www.readbyqxmd.com/read/28439448/spatial-determinants-of-ebola-virus-disease-risk-for-the-west-african-epidemic
#10
Kate Zinszer, Kathryn Morrison, Aman Verma, John S Brownstein
INTRODUCTION: Although many studies have investigated the probability of Ebola virus disease (EVD) outbreaks while other studies have simulated the size and speed of EVD outbreaks, few have investigated the environmental and population-level predictors of Ebola transmission once an outbreak is underway. Identifying strong predictors of transmission could help guide and target limited public health resources during an EVD outbreak. We examined several environmental and population-level demographic predictors of EVD risk from the West African epidemic...
March 31, 2017: PLoS Currents
https://www.readbyqxmd.com/read/28438127/lessons-learned-by-surveillance-during-the-tail-end-of-the-ebola-outbreak-in-guinea-june-october-2015-a-case-series
#11
Mory Keïta, Fatoumata Conté, Boubacar Diallo, Dieudonné Lufwa, Jacques Katomba, René Snacken, Raymond Pallawo, Aminata Tolno, Amadou Bailo Diallo, Mamadou Harouna Djingarey, Lorenzo Subissi
No abstract text is available yet for this article.
April 24, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28437843/a-bayesian-belief-network-model-assessing-the-risk-to-wastewater-workers-of-contracting-ebola-virus-disease-during-an-outbreak
#12
Joseph W Zabinski, Kelsey J Pieper, Jacqueline MacDonald Gibson
During an outbreak of Ebola virus disease (EVD), hospitals' connections to municipal wastewater systems may provide a path for patient waste bearing infectious viral particles to pass from the hospital into the wastewater treatment system, potentially posing risks to sewer and wastewater workers. To quantify these risks, we developed a Bayesian belief network model incorporating data on virus behavior and survival along with structural characteristics of hospitals and wastewater treatment systems. We applied the model to assess risks under several different scenarios of workers' exposure to wastewater for a wastewater system typical of a mid-sized U...
April 24, 2017: Risk Analysis: An Official Publication of the Society for Risk Analysis
https://www.readbyqxmd.com/read/28437766/cyanobacterial-lectins-characteristics-and-their-role-as-antiviral-agents
#13
REVIEW
Ram Sarup Singh, Amandeep Kaur Walia, Jasvirinder Singh Khattar, Davinder Pal Singh, John F Kennedy
Lectins are ubiquitous proteins/glycoproteins of non-immune origin that bind reversibly to carbohydrates in non-covalent and highly specific manner. These lectin-glycan interactions could be exploited for establishment of novel therapeutics, targeting the adherence stage of viruses and thus helpful in eliminating wide spread viral infections. Here the review focuses on the haemagglutination activity, carbohydrate specificity and characteristics of cyanobacterial lectins. Cyanobacterial lectins exhibiting high specificity towards mannose or complex glycans have potential role as anti-viral agents...
April 21, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28436743/ebola-salience-death-thought-accessibility-and-worldview-defense-a-terror-management-theory-perspective
#14
Robert B Arrowood, Cathy R Cox, Michael Kersten, Clay Routledge, Jill Talley Shelton, Ralph W Hood
According to terror management theory, individuals defend their cultural beliefs following mortality salience. The current research examined whether naturally occurring instances of death (i.e., Ebola) correspond to results found in laboratory studies. The results of two experiments demonstrated that participants experienced a greater accessibility of death-related thoughts in response to an Ebola prime during a regional outbreak. Study 2 also showed that increased mortality awareness following an Ebola manipulation was associated with greater worldview defense (i...
April 24, 2017: Death Studies
https://www.readbyqxmd.com/read/28434944/dose-dependent-t-cell-dynamics-and-cytokine-cascade-following-rvsv-zebov-immunization
#15
Christine Dahlke, Rahel Kasonta, Sebastian Lunemann, Verena Krähling, Madeleine E Zinser, Nadine Biedenkopf, Sarah K Fehling, My L Ly, Anne Rechtien, Hans C Stubbe, Flaminia Olearo, Saskia Borregaard, Alen Jambrecina, Felix Stahl, Thomas Strecker, Markus Eickmann, Marc Lütgehetmann, Michael Spohn, Stefan Schmiedel, Ansgar W Lohse, Stephan Becker, Marylyn M Addo
BACKGROUND: The recent West African Ebola epidemic led to accelerated efforts to test Ebola vaccine candidates. As part of the World Health Organisation-led VSV Ebola Consortium (VEBCON), we performed a phase I clinical trial investigating rVSV-ZEBOV (a recombinant vesicular stomatitis virus-vectored Ebola vaccine), which has recently demonstrated protection from Ebola virus disease (EVD) in phase III clinical trials and is currently in advanced stages of licensing. So far, correlates of immune protection are incompletely understood and the role of cell-mediated immune responses has not been comprehensively investigated to date...
April 5, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28431862/application-of-the-cdc-ebolaresponse-modeling-tool-to-disease-predictions
#16
Robert H Gaffey, Cécile Viboud
Model-based predictions were critical in eliciting a vigorous international public health response to the 2014 Ebola Virus Disease outbreak in West Africa. Here, we describe the performances of an extension of the CDC-initiated EbolaResponse Modeling tool to the Ebola Forecasting Challenge, which offered a controlled environment for epidemiological predictions. In the EbolaResponse tool, transmission risks and proportions of population affected by interventions were fitted to data via least square fitting. Prediction performances were evaluated for 5 prediction time points of 4 synthetic outbreaks...
March 10, 2017: Epidemics
https://www.readbyqxmd.com/read/28431160/editorial-to-6-month-safety-data-of-ebola-zaire-vaccine-rvsv%C3%AE-g-zebov-gp-in-a-phase-iii-double-blind-placebo-controlled-randomized-study-in-healthy-adults
#17
Matthias J Schnell
No abstract text is available yet for this article.
April 18, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28430779/a-coevolution-analysis-for-identifying-protein-protein-interactions-by-fourier-transform
#18
Changchuan Yin, Stephen S-T Yau
Protein-protein interactions (PPIs) play key roles in life processes, such as signal transduction, transcription regulations, and immune response, etc. Identification of PPIs enables better understanding of the functional networks within a cell. Common experimental methods for identifying PPIs are time consuming and expensive. However, recent developments in computational approaches for inferring PPIs from protein sequences based on coevolution theory avoid these problems. In the coevolution theory model, interacted proteins may show coevolutionary mutations and have similar phylogenetic trees...
2017: PloS One
https://www.readbyqxmd.com/read/28430098/building-physician-networks-as-part-of-the-zika-response
#19
Nia Heard-Garris, Sanjeev Arora, Nicole Lurie
The global community needs to easily identify and respond to new and reemerging threats, such as H1N1, Ebola, and most recently Zika. Clinicians are often the first-line providers to recognize these threats, but yet have few opportunities to learn from each other in real time. In this concept article, we describe the ways clinical information is traditionally shared during a public health emergency and then introduce new mechanisms to facilitate physician communication and learning as a part of the response to Zika...
April 2017: Disaster Medicine and Public Health Preparedness
https://www.readbyqxmd.com/read/28428619/transcriptomic-analysis-reveals-a-previously-unknown-role-for-cd8-t-cells-in-rvsv-ebov-mediated-protection
#20
Andrea R Menicucci, Suhas Sureshchandra, Andrea Marzi, Heinz Feldmann, Ilhem Messaoudi
Ebola virus (EBOV) poses a significant threat to human health as highlighted by the recent epidemic in West Africa. Data from animal studies and a ring vaccination clinical trial conducted in Guinea during the recent epidemic demonstrated that a recombinant VSV where G protein is replaced with EBOV GP (rVSV-EBOV) is safe and highly efficacious. We previously established that antibodies are essential for rVSV-EBOV mediated protection against EBOV; however, the mechanisms by which this vaccine induces a humoral response and the role of T-cells in rVSV-EBOV mediated protection remain poorly understood...
April 20, 2017: Scientific Reports
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