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ebola review

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https://www.readbyqxmd.com/read/28820067/a-comprehensive-review-on-ebola-ebov-virus-future-prospects
#1
Dr Abdru Rauf, Muhammad, Abdur Rauf, Ahsan Khan, Muhammad Rizwan, Seema Patel, Haroon Khan, Adel Mahasneh, Mohammad S Mubarak
Ebola virus (EBOV) was discovered for the first time in 1976. It belongs to the family Filoviridae, which causes hemorrhagic fever that could lead to death in a few days. West Africa faced a major outbreak where symptoms appeared in the form of chills, myalgia, fever, diarrhea, and vomiting, and the disease finally reached a severe state as a result of hemorrhagic complications and failure of multiple organs. EBOV spreads by contact with body fluids of an infected person such as blood, saliva, urine, and seminal fluid, and also spreads by a contact with contaminated surfaces...
August 16, 2017: Infectious Disorders Drug Targets
https://www.readbyqxmd.com/read/28810165/human-immune-system-mouse-models-of-ebola-virus-infection
#2
REVIEW
Jessica R Spengler, Joseph Prescott, Heinz Feldmann, Christina F Spiropoulou
Human immune system (HIS) mice, immunodeficient mice engrafted with human cells (with or without donor-matched tissue), offer a unique opportunity to study pathogens that cause disease predominantly or exclusively in humans. Several HIS mouse models have recently been used to study Ebola virus (EBOV) infection and disease. The results of these studies are encouraging and support further development and use of these models in Ebola research. HIS mice provide a small animal model to study EBOV isolates, investigate early viral interactions with human immune cells, screen vaccines and therapeutics that modulate the immune system, and investigate sequelae in survivors...
August 11, 2017: Current Opinion in Virology
https://www.readbyqxmd.com/read/28791241/ebola-virus-disease-essential-clinical-knowledge
#3
REVIEW
Mahmoud Tawfik Khalafallah, Omar Ali Aboshady, Shaban Ahmed Moawed, Menna Said Ramadan
Since its initial outbreak in 1976, Ebola virus disease (EVD) has affected thousands of people, causing severe illness with high mortality rates. In the absence of a vaccine or effective specific treatment, as well as the lack of early diagnostic and detective methods, the EVD outbreak has generated a significant worldwide health concern. Insufficient health-care system resources, deficient infection control measures, and the shortage of appropriate personal protective equipment acted as amplifiers of the outbreak extension, especially in poorly resourced and unprepared communities...
July 2017: Avicenna Journal of Medicine
https://www.readbyqxmd.com/read/28780120/vaccines-against-ebola-virus
#4
Navin Venkatraman, Daniel Silman, Pedro M Folegatti, Adrian V S Hill
We have just witnessed the largest and most devastating outbreak of Ebola virus disease, which highlighted the urgent need for development of an efficacious vaccine that could be used to curtail future outbreaks. Prior to 2014, there had been limited impetus worldwide to develop a vaccine since the virus was first discovered in 1976. Though too many lives were lost during this outbreak, it resulted in the significantly accelerated clinical development of a number of candidate vaccines through an extraordinary collaborative global effort coordinated by the World Health Organisation (WHO) and involving a number of companies, trial centres, funders, global stakeholders and agencies...
August 2, 2017: Vaccine
https://www.readbyqxmd.com/read/28765076/utility-and-potential-of-rapid-epidemic-intelligence-from-internet-based-sources
#5
REVIEW
S J Yan, A A Chughtai, C R Macintyre
OBJECTIVES: Rapid epidemic detection is an important objective of surveillance to enable timely intervention, but traditional validated surveillance data may not be available in the required timeframe for acute epidemic control. Increasing volumes of data on the Internet have prompted interest in methods that could use unstructured sources to enhance traditional disease surveillance and gain rapid epidemic intelligence. The aim of this review was to summarize Internet-based methods that use freely accessible, unstructured data for epidemic surveillance and explore their timeliness and accuracy outcomes...
July 29, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28761574/repurposed-therapeutic-agents-targeting-the-ebola-virus-a-systematic-review
#6
Hussein Sweiti, Obinna Ekwunife, Thomas Jaschinski, Stefan K Lhachimi
BACKGROUND: The Ebola virus has been responsible for numerous outbreaks since the 1970s, with the most recent outbreak taking place between 2014 and 2016 and causing an international public health emergency. Ebola virus disease (EVD) has a high mortality rate and no approved targeted treatment exists to date. A number of established drugs are being considered as potential therapeutic agents for the treatment of EVD. OBJECTIVE: We aimed to identify potential drug repositioning candidates and to assess the scientific evidence available on their efficacy...
2017: Current Therapeutic Research, Clinical and Experimental
https://www.readbyqxmd.com/read/28751468/overcoming-operational-challenges-to-ebola-case-investigation-in-sierra-leone
#7
Samuel T Boland, Erin Polich, Allison Connolly, Adam Hoar, Tom Sesay, Ahn-Minh A Tran
The Ebola virus disease (EVD) epidemic that hit West Africa in 2013 was the worst outbreak of EVD in recorded history. While much has been published regarding the international and national-level EVD responses, there is a dearth of literature on district-level coordination and operational structures, successes, and failures. This article seeks to understand how the EVD response unfolded at the district level, namely the challenges to operationalizing EVD surveillance over the course of the outbreak in Port Loko and Kambia districts of Sierra Leone...
July 27, 2017: Global Health, Science and Practice
https://www.readbyqxmd.com/read/28721831/transient-production-of-recombinant-pharmaceutical-proteins-in-plants-evolution-and-perspectives
#8
Lilya Kopertekh, Joachim Schiemann
During the last two decades the production of pharmaceutical proteins in plants evolved from proof of concept to established technology adopted by several biotechnological companies. This progress is particularly based on intensive research starting stable genetic transformation and moving to transient expression. Due to its advantages in yield and speed of protein production transient expression platforms became leading plant-based manufacturing technology. Current transient expression methods rely on Agrobacterium-mediated delivery of expression vectors into plant cells...
July 18, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28721172/contact-tracing-following-outbreak-of-ebola-virus-disease-in-urban-settings-in-nigeria
#9
Olufunmilayo Ibitola Fawole, Mahmood Muazu Dalhat, Meeyoung Park, Casey Daniel Hall, Patrick Mboya Nguku, Peter Adebayo Adewuyi
An outbreak of Ebola virus disease occurred in Nigeria between July and September 2014. Contact tracing commenced in Lagos, and extended to Port Harcourt and Enugu as the outbreak continued to spread. A total of 899 contacts were traced. Contact tracing enhanced immediate identification of symptomatic contacts, some of whom eventually became cases. Contact tracing could be challenging in urban cities. However, use of electronic technology, adequate logistics, and highly skilled personnel enhanced the tracing of contacts to facilitate the successful containment of the outbreak...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28710692/host-factors-involved-in-ebola-virus-replication
#10
Angela L Rasmussen
Ebola virus (EBOV) is a highly pathogenic emerging virus that represents a serious threat to global public health and a major priority for biodefense. The 2014 West African outbreak demonstrated the potential of EBOV to cause an epidemic affecting thousands of people. The severity of disease and high case fatality rate of EBOV is largely due to the host response elicited by the virus. EBOV infection hijacks a number of host pathways to carry out replication and stimulate potent inflammatory responses, while simultaneously subverting the host antiviral immune response...
July 15, 2017: Current Topics in Microbiology and Immunology
https://www.readbyqxmd.com/read/28701168/erratum-to-ethics-review-of-studies-during-public-health-emergencies-the-experience-of-the-who-ethics-review-committee-during-the-ebola-virus-disease-epidemic
#11
Emilie Alirol, Annette C Kuesel, Maria Magdalena Guraiib, Vânia de la Fuente-Núñez, Abha Saxena, Melba F Gomes
No abstract text is available yet for this article.
July 12, 2017: BMC Medical Ethics
https://www.readbyqxmd.com/read/28675995/ebola-epidemics-control-origin-and-therapeutics
#12
Da Yong Lu, Hong Ying Wu, Nagendra Sastry Yarla, Ting-Ren Lu, Bin Xu, Jian -Ding
Ebola epidemic in Africa was outbreak again in 2014 that arises a new wave of panic worldwide. There is a high mortality rates (30-70%) among Ebola infected people in virus-stricken areas. The direct communications between affected countries and rest of world were cut off then. But the medical capabilities against this deadly viral disease were provided by a limited number of agents, several patented agents, biotherapies or prophylactic/therapeutic vaccines have been entering into clinical validations and will be further developed into the global markets-including patents of small molecular chemicals, short sequences or oligomers of DNA/RNA, linkages of chemicals with bio-molecules, herbal medicine and so on...
July 3, 2017: Infectious Disorders Drug Targets
https://www.readbyqxmd.com/read/28662754/animal-models-of-ebolavirus-infection
#13
Marisa C St Claire, Dan R Ragland, Laura Bollinger, Peter B Jahrling
Ebola virus is a highly pathogenic member of the family Filoviridae that causes a severe hemorrhagic disease in humans and NHP. The 2013-2016 West African outbreak has increased interest in the development and refinement of animal models of Ebola virus disease. These models are used to test countermeasures and vaccines, gain scientific insights into the mechanisms of disease progression and transmission, and study key correlates of immunology. Ebola virus is classified as a BSL4 pathogen and Category A agent, for which the United States government requires preparedness in case of bioterrorism...
June 1, 2017: Comparative Medicine
https://www.readbyqxmd.com/read/28658761/ebola-vaccine-how-far-are-we
#14
REVIEW
Rajani Sharma, Ketki Jangid, Anuradha
Ebola viruses have been identified as an emerging threat as it causes severe haemorrhagic fever in human with mortality rates ranging from 50 to 90%. In addition to being a global health concern, the virus also is considered a potential biological threat agent. As for now, no licensed vaccine is available for pre or post exposure treatment. Recent epidemic of this disease in South Africa has led to concern towards development of an effective vaccine on a priority basis. This review is an attempt to look upon current progress in the development of Ebola virus vaccines and highlights strategies that have the greatest potential for commercial development...
May 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28653957/the-lifecycle-of-the-ebola-virus-in-host-cells
#15
REVIEW
Dong-Shan Yu, Tian-Hao Weng, Xiao-Xin Wu, Frederick X C Wang, Xiang-Yun Lu, Hai-Bo Wu, Nan-Ping Wu, Lan-Juan Li, Hang-Ping Yao
Ebola haemorrhagic fever causes deadly disease in humans and non-human primates resulting from infection with the Ebola virus (EBOV) genus of the family Filoviridae. However, the mechanisms of EBOV lifecycle in host cells, including viral entry, membrane fusion, RNP formation, GP-tetherin interaction, and VP40-inner leaflet association remain poorly understood. This review describes the biological functions of EBOV proteins and their roles in the lifecycle, summarizes the factors related to EBOV proteins or RNA expression throughout the different phases, and reviews advances with regards to the molecular events and mechanisms of the EBOV lifecycle...
June 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28653186/ebola-virus-disease-in-humans-pathophysiology-and-immunity
#16
César Muñoz-Fontela, Anita K McElroy
Viruses of the Ebolavirus genus cause sporadic epidemics of severe and systemic febrile disease that are fueled by human-to-human transmission. Despite the notoriety of ebolaviruses, particularly Ebola virus (EBOV), as prominent viral hemorrhagic fever agents, and the international concern regarding Ebola virus disease (EVD) outbreaks, very little is known about the pathophysiology of EVD in humans and, in particular, about the human immune correlates of survival and immune memory. This lack of basic knowledge about physiological characteristics of EVD is probably attributable to the dearth of clinical and laboratory data gathered from past outbreaks...
June 27, 2017: Current Topics in Microbiology and Immunology
https://www.readbyqxmd.com/read/28651650/ethics-review-of-studies-during-public-health-emergencies-the-experience-of-the-who-ethics-review-committee-during-the-ebola-virus-disease-epidemic
#17
Emilie Alirol, Annette C Kuesel, Maria Magdalena Guraiib, Vânia de la Fuente-Núñez, Abha Saxena, Melba F Gomes
BACKGROUND: Between 2013 and 2016, West Africa experienced the largest ever outbreak of Ebola Virus Disease. In the absence of registered treatments or vaccines to control this lethal disease, the World Health Organization coordinated and supported research to expedite identification of interventions that could control the outbreak and improve future control efforts. Consequently, the World Health Organization Research Ethics Review Committee (WHO-ERC) was heavily involved in reviews and ethics discussions...
June 26, 2017: BMC Medical Ethics
https://www.readbyqxmd.com/read/28651111/the-rise-of-zika-infection-and-microcephaly-what-can-we-learn-from-a-public-health-emergency
#18
REVIEW
B McCloskey, T Endericks
OBJECTIVES: To consider why Zika was declared a Public Health Emergency of International Concern (PHEIC), why it stopped being one and what we can learn from this for the future. STUDY DESIGN: This paper reviews the sequence of events and evidence base for the decision to declare Zika a PHEIC, the global response to this, the challenges in maintaining an evidence-based approach to outbreak response and identifies learning outcomes. METHODS: Evidence review, all published articles in reputable UK and international journals were identified...
June 23, 2017: Public Health
https://www.readbyqxmd.com/read/28640889/contrasting-academic-and-lay-press-print-coverage-of-the-2013-2016-ebola-virus-disease-outbreak
#19
Mark D Kieh, Elim M Cho, Ian A Myles
Under a traditional paradigm, only those with the expected background knowledge consume academic literature. The lay press, as well as government and non-government agencies, play a complementary role of extracting findings of high interest or importance and translating them for general viewing. The need for accurate reporting and public advising is paramount when attempting to tackle epidemic outbreaks through behavior change. Yet, public trust in media outlets is at a historic low. The Crisis and Emergency Risk Communication (CERC) model for media reporting on public health emergencies was established in 2005 and has subsequently been used to analyze media reporting on outbreaks of influenza and measles as well as smoking habits and medication compliance...
2017: PloS One
https://www.readbyqxmd.com/read/28636448/ebola-virus-training-a-needs-assessment-and-gap-analysis
#20
Kevin Yeskey, Joseph Hughes, Betsy Galluzzo, Nina Jaitly, James Remington, Deborah Weinstock, Joy Lee Pearson, Jonathan D Rosen
In response to the 2014 Ebola virus disease outbreak, the Worker Training Program embarked on an assessment of existing training for those at risk for exposure to the virus. Searches of the recent peer-reviewed literature were conducted for descriptions of relevant training. Federal guidance issued during 2015 was also reviewed. Four stakeholder meetings were conducted with representatives from health care, academia, private industry, and public health to discuss issues associated with ongoing training. Our results revealed few articles about training that provided sufficient detail to serve as models...
May 2017: Health Security
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