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Emerging epidemic

Nancy Houser, Philip Baiden, Esme Fuller-Thomson
The objectives of this study were (1) to examine the prevalence of diabetes and hypertension among church personnel in North-Eastern Democratic Republic of Congo, and (2) to identify socio-demographic factors and health behaviors that are associated with these outcomes. Data for this study were obtained from a sample of 670 pastors and their wives, and other church workers in North-Eastern Congo in 2014/2015. Pearson chi square and binary logistic regression analyses were conducted with diabetes status and hypertension as outcome variables...
October 17, 2016: Journal of Community Health
Paul J Planet, Apurva Narechania, Liang Chen, Barun Mathema, Sam Boundy, Gordon Archer, Barry Kreiswirth
A deluge of whole-genome sequencing has begun to give insights into the patterns and processes of microbial evolution, but genome sequences have accrued in a haphazard manner, with biased sampling of natural variation that is driven largely by medical and epidemiological priorities. For instance, there is a strong bias for sequencing epidemic lineages of methicillin-resistant Staphylococcus aureus (MRSA) over sensitive isolates (methicillin-sensitive S. aureus: MSSA). As more diverse genomes are sequenced the emerging picture is of a highly subdivided species with a handful of relatively clonal groups (complexes) that, at any given moment, dominate in particular geographical regions...
October 14, 2016: Trends in Microbiology
Nathan D Grubaugh, Kristian G Andersen
The epidemics of Ebola virus in West Africa and Zika virus in America highlight how viruses can explosively emerge into new territories. These epidemics also exposed how unprepared we are to handle infectious disease emergencies. This is also true when we consider hypothesized new clinical features of infection, such as the associations between Zika virus infection and severe neurological disease, including microcephaly and Guillain-Barré syndrome. On the surface, these pathologies appear to be new features of Zika virus infection, however, causal relationships have not yet been established...
2016: F1000Research
Alfonso J Rodriguez-Morales, Maria Leonor Galindo-Marquez, Carlos Julian García-Loaiza, Juan Alejandro Sabogal-Roman, Santiago Marin-Loaiza, Andrés F Ayala, Guillermo J Lagos-Grisales, Carlos O Lozada-Riascos, Esteban Parra-Valencia, Jorge H Rojas-Palacios, Eduardo López, Pío López, Martin P Grobusch
OBJECTIVE: Geographical information systems (GIS) use for development of epidemiological maps in tropical diseases is increasingly frequently utilized. Here, we apply this technique to map the current Zika virus (ZIKV) outbreak in Colombia. METHODS: Surveillance cases data of the ongoing epidemic of ZIKV in Valle del Cauca department and its capital, Cali (2015-2016), were used to estimate cumulated incidence rates (cases/100,000 population) to develop the first maps in the department and it municipalities...
October 14, 2016: Infection
Barbara Stetson, Karl E Minges, Caroline R Richardson
Accelerating diabetes rates have resulted in a global public health epidemic. Lifestyle change is a cornerstone of care, yet regimen demands may result in adherence difficulties. Distress, depression, and other psychosocial concerns are higher in those with diabetes. While interventions, such as the Diabetes Prevention Program appear to be effective, further research is needed to support the translation of interventions to prevent diabetes. Studies assessing optimal approaches to promoting effective decision making, coping and adherence are needed...
October 14, 2016: Journal of Behavioral Medicine
Tsai-Wen Wan, Olga E Khokhlova, Yasuhisa Iwao, Wataru Higuchi, Wei-Chun Hung, Ivan V Reva, Olga A Singur, Vladimir V Gostev, Sergey V Sidorenko, Olga V Peryanova, Alla B Salmina, Galina V Reva, Lee-Jene Teng, Tatsuo Yamamoto
ST8/SCCmecIV community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) has been a common threat, with large USA300 epidemics in the United States. The global geographical structure of ST8/SCCmecIV has not yet been fully elucidated. We herein determined the complete circular genome sequence of ST8/SCCmecIVc strain OC8 from Siberian Russia. We found that 36.0% of the genome was inverted relative to USA300. Two IS256, oppositely oriented, at IS256-enriched hot spots were implicated with the one-megabase genomic inversion (MbIN) and vSaβ split...
2016: PloS One
Dennis Tanner, Ashley Negaard, Rong Huang, Neil Evans, Halim Hennes
OBJECTIVES: The aims of the study were to examine the predictive accuracy of Broselow tape (BT) weight estimation and body mass index-based weight categorization in overweight and obese pediatric patients and to develop an adjustment factor that improves the BT weight estimate in overweight and obese pediatric patients. METHODS: A prospective observational study was conducted. We enrolled noncritical pediatric patients presenting to a tertiary care pediatric emergency department with nonurgent complaints...
October 6, 2016: Pediatric Emergency Care
Davide Cellai, Sergey N Dorogovtsev, Ginestra Bianconi
Multiplex networks describe a large variety of complex systems, including infrastructures, transportation networks, and biological systems. Most of these networks feature a significant link overlap. It is therefore of particular importance to characterize the mutually connected giant component in these networks. Here we provide a message passing theory for characterizing the percolation transition in multiplex networks with link overlap and an arbitrary number of layers M. Specifically we propose and compare two message passing algorithms that generalize the algorithm widely used to study the percolation transition in multiplex networks without link overlap...
September 2016: Physical Review. E
Edward C Holmes, Gytis Dudas, Andrew Rambaut, Kristian G Andersen
The 2013-2016 epidemic of Ebola virus disease in West Africa was of unprecedented magnitude and changed our perspective on this lethal but sporadically emerging virus. This outbreak also marked the beginning of large-scale real-time molecular epidemiology. Here, we show how evolutionary analyses of Ebola virus genome sequences provided key insights into virus origins, evolution and spread during the epidemic. We provide basic scientists, epidemiologists, medical practitioners and other outbreak responders with an enhanced understanding of the utility and limitations of pathogen genomic sequencing...
October 12, 2016: Nature
T K Kamble, Pradyumna M Gadewar, Subodh Kansal
HIV/AIDS continues to have an extraordinary public health impact. Although the HIV/AIDS epidemic on the whole is plateauing, it is spreading rapidly among certain populations. We enumerate here some HIV preventive modalities that have been demonstrated to be effective in various target populations if properly implemented and adhered to. Some other new strategies are also showing promise in clinical trials.
April 2016: Journal of the Association of Physicians of India
Bedowra Zabeen, Jebun Nahar, Samin Tayyeb, Fauzia Mohsin, Nazmun Nahar, Kishwar Azad
INTRODUCTION: Recent data show that the prevalence of diabetes among children and adolescents is increasing in some ethnic groups. The worldwide epidemic of childhood obesity has been accompanied by an increase in the incidence of type 2 diabetes (T2D) in youth. METHODS: The aim of this study was to describe the baseline characteristics of children and adolescents diagnosed ≤18 years who had features of T2D and presented at Changing Diabetes in Children, Paediatric Diabetes Clinic at Bangladesh Institute of Research and Rehabilitation of Diabetes, Endocrine, and Metabolic Disorders...
September 2016: Indian Journal of Endocrinology and Metabolism
John H-O Pettersson, Vegard Eldholm, Stephen J Seligman, Åke Lundkvist, Andrew K Falconar, Michael W Gaunt, Didier Musso, Antoine Nougairède, Remi Charrel, Ernest A Gould, Xavier de Lamballerie
The unexpected emergence of Zika virus (ZIKV) in the Pacific Islands and Latin America and its association with congenital Zika virus syndrome (CZVS) (which includes microcephaly) and Guillain-Barré syndrome (GBS) have stimulated wide-ranging research. High densities of susceptible Aedes spp., immunologically naive human populations, global population growth with increased urbanization, and escalation of global transportation of humans and commercial goods carrying vectors and ZIKV undoubtedly enhanced the emergence of ZIKV...
October 11, 2016: MBio
Annamaria Conte, Maria Goffredo, Luca Candeloro, Paolo Calistri, Gabriele Curci, Valentina Colaiuda, Michela Quaglia, Giuseppe Mancini, Adriana Santilli, Alessio Di Lorenzo, Susanna Tora, Lara Savini, Giovanni Savini
In 2012, six years after the previous epidemic, Bluetongue virus serotype 1 (BTV-1) re-emerged in Sardinia causing a limited number of outbreaks. Due to impossibility of implementing a vaccination campaign, the BTV-1 then spread all over the island in 2013 with about 7,000 outbreaks and, in September 2013, the virus reached Central Italy, with a limited number of outbreaks located along the Tyrrhenian coast. The surveillance system in place in Italy detected viral circulation during the following winter, when a few seroconversions were notified...
September 30, 2016: Veterinaria Italiana
Wei Sun
Three major plague pandemics caused by the gram-negative bacterium Yersinia pestis have killed nearly 200 million people in human history. Due to its extreme virulence and the ease of its transmission, Y. pestis has been used purposefully for biowarfare in the past. Currently, plague epidemics are still breaking out sporadically in most of parts of the world, including the United States. Approximately 2000 cases of plague are reported each year to the World Health Organization. However, the potential use of the bacteria in modern times as an agent of bioterrorism and the emergence of a Y...
2016: Advances in Experimental Medicine and Biology
Xilong Kang, Yun Yang, Yang Jiao, Hongqin Song, Li Song, Dan Xiong, Lili Wu, Zhiming Pan, Xinan Jiao
In 2009, a novel pandemic swine-origin influenza A (H1N1) virus caused a public emergency of international concern. Vaccination is the primary strategy for the control of influenza epidemics. However, the poor immunopotency of many vaccine antigens is a major barrier to the development of effective vaccines against influenza. Flagellin, a Toll-like receptor 5 (TLR5) ligand, has been used as an adjuvant to enhance the immunopotency of vaccines in preclinical studies. Here, we developed a recombinant candidate vaccine, HA1-2-fljB, in which the globular head of the hemagglutinin (HA) antigen (residues 62-284) from H1N1 virus was fused genetically to the N-terminus of Salmonella typhimurium fljB...
October 8, 2016: Journal of Molecular Microbiology and Biotechnology
Abdelrahman Ibrahim Abushouk, Ahmed Negida, Hussien Ahmed
The current outbreak of Zika virus (ZIKV) in South America is one of the most serious public health emergencies since the Ebola outbreak of West Africa [2014]. ZIKV belongs to the flaviviridae family and has two lineages (Asian and African). The virus was first discovered in Uganda [1947] and the first human infection was identified in Nigeria [1952]. The current epidemic is the third of its type after that of Yap Island, Micronesia [2007] and French Polynesia [2013]. Phylogenetic studies revealed that the current strain shares about 99...
October 3, 2016: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
Leesa Bruggink, Michael Catton, John Marshall
A norovirus recombinant GII.P4_NewOrleans_2009/GII.4_Sydney_2012 was first detected in Victoria, Australia, in August 2015 at low frequency, and then re-emerged in June 2016, having undergone genetic changes. Analysis of 14 years' surveillance data from Victoria suggests a typical delay of two to seven months between first detection of a new variant and occurrence of a subsequent epidemic linked to that variant. We consider that the current recombinant strain has the potential to become a pandemic variant.
September 29, 2016: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
Rifat Latifi, Jayleen K L Gunn, John A Stroster, Edmond Zaimi, Fatos Olldashi, Agron Dogjani, Mihal Kerci, Xheladin Draçini, Julian Kuçani, Zhaneta Shatri, Agim Kociraj, Arian Boci, Ross I Donaldson
BACKGROUND: Traumatic injuries have become a substantial but neglected epidemic in low- and middle-income countries (LMICs), but emergency rooms (ERs) in these countries are often staffed with healthcare providers who have minimal emergency training and experience. The aim of this paper was to describe the specialized training, available interventions, and the patient management strategies in the ERs in Albanian public hospitals. METHODS: A cross-sectional descriptive study of 42 ERs in the Republic of Albania between September 5, 2014, and December 29, 2014 was performed...
December 2016: International Journal of Emergency Medicine
Ashleigh R Tuite, David N Fisman
Mathematical modeling is increasingly accepted as a tool that can inform disease control policy in the face of emerging infectious diseases, such as the 2014-2015 West African Ebola epidemic, but little is known about the relative performance of alternate forecasting approaches. The RAPIDD Ebola Forecasting Challenge (REFC) tested the ability of eight mathematical models to generate useful forecasts in the face of simulated Ebola outbreaks. We used a simple, phenomenological single-equation model (the "IDEA" model), which relies only on case counts, in the REFC...
September 28, 2016: Epidemics
Julia Reis, Jeffrey Shaman
Recent studies have shown that systems combining mathematical modeling and Bayesian inference methods can be used to generate real-time forecasts of future infectious disease incidence. Here we develop such a system to study and forecast respiratory syncytial virus (RSV). RSV is the most common cause of acute lower respiratory infection and bronchiolitis. Advanced warning of the epidemic timing and volume of RSV patient surges has the potential to reduce well-documented delays of treatment in emergency departments...
October 2016: PLoS Computational Biology
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