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Epidemics

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https://www.readbyqxmd.com/read/28738473/-hoof-genotyping-characteristics-of-brucella-melitensis-strains-isolated-in-ulanqab-of-inner-mongolia-autonomous-region
#1
Z G Liu, M Wang, R H Liu, X J Shang, B Y Cui
Objective: To investigate the HOOF genotyping characteristics of 83 Brucella (B.) melitensis strains isolated in Ulanqab of Inner Mongolia Autonomous Region from 2012 to 2015. Methods: A total of 83 B. melitensis strains were detected by convention identification and AMOS-PCR, then HOOF protocol with eight VNTR locus were used for the genotyping of the strains, and the allelic diversity of each VNTR locus and the discriminatory power of VNTR typing of HOOF were assessed by Hunter-Gaston Discriminatory index...
July 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28738454/-development-of-markov-models-for-economics-evaluation-of-strategies-on-hepatitis-b-vaccination-and-population-based-antiviral-treatment-in-china
#2
P C Yang, S X Zhang, P P Sun, Y L Cai, Y Lin, Y H Zou
Objective: To construct the Markov models to reflect the reality of prevention and treatment interventions against hepatitis B virus (HBV) infection, simulate the natural history of HBV infection in different age groups and provide evidence for the economics evaluations of hepatitis B vaccination and population-based antiviral treatment in China. Methods: According to the theory and techniques of Markov chain, the Markov models of Chinese HBV epidemic were developed based on the national data and related literature both at home and abroad, including the settings of Markov model states, allowable transitions and initial and transition probabilities...
July 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28737729/geographic-distribution-and-temporal-trends-of-hiv-1-subtypes-through-heterosexual-transmission-in-china-a-systematic-review-and-meta-analysis
#3
REVIEW
Peipei Xiao, Jianjun Li, Gengfeng Fu, Ying Zhou, Xiping Huan, Haitao Yang
Background: Heterosexual transmission (HST) has become the current predominant transmission pathways of the HIV-1 epidemic in China. The aim of this study was to explore the geographic and dynamic change of HIV-1 subtypes through HST in China from published studies. Methods: Several electronic databases were searched to identify the studies, and the overall prevalence of HIV-1 subtypes was estimated by a meta-analysis method. Subgroup analysis was conducted by study region and time period. Publication bias was evaluated using Egger's test...
July 24, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28737542/addressing-the-global-zika-epidemic-locally-an-interprofessional-model-of-universal-screening-at-one-center
#4
(no author information available yet)
No abstract text is available yet for this article.
July 2017: Journal of Perinatal & Neonatal Nursing
https://www.readbyqxmd.com/read/28737448/mast-cell-and-m1-macrophage-infiltration-and-local-pro-inflammatory-factors-were-attenuated-with-incretin-based-therapies-in-obesity-related-glomerulopathy
#5
Jiao He, Geheng Yuan, Fangxiao Cheng, Junqing Zhang, Xiaohui Guo
BACKGROUND: The global increase of obesity parallels the obesity-related glomerulopathy (ORG) epidemic. Dipeptidyl peptidase 4 inhibitors and glucagon-like peptide-1 receptor agonists were well recognized to attenuate renal injury independent of glucose control in diabetic nephropathy. There are limited studies focusing on their effects on ORG. We explored the effects of incretin-based therapies on early ORG and the inflammatory responses involved mainly concentrated on mast cell (MC) and macrophage (M) infiltration and local pro-inflammatory factors...
July 24, 2017: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/28737352/-the-role-of-a-new-syringe-filter-in-harm-reduction-the-views-of-active-injection-drug-users
#6
Maitena Milhet, Marie Jauffret-Roustide
Reducing the risks associated with drug injection is a core component of the Drug Harm Reduction Policy. In France, this strategy was implemented in the context of the AIDS epidemic in the 1980s. Unless appropriate hygienic precautions are taken, injecting drugs may cause infectious, bacterial or fungal diseases. French Health authorities promote the use of effective tools to help reduce the harm associated with drug injection. In this context, public authorities supported the evaluation of new drug injection paraphernalia...
July 10, 2017: Santé Publique: Revue Multidisciplinaire Pour la Recherche et L'action
https://www.readbyqxmd.com/read/28737334/-barriers-to-tuberculosis-awareness-and-screening-a-qualitative-study-in-a-french-department
#7
Séverine Carillon, Annabel Desgrées du Loû
<ce:para>The incidence of tuberculosis in Seine-Saint-Denis is considerably higher than the national average. The north-west part of the department is particularly concerned. Screening teams encounter difficulties communicating on the disease, reaching the populations concerned and obtaining their adhesion to the screening proposal. The objective of this study was to identify and elucidate the obstacles to tuberculosis prevention and screening.</ce:para> <ce:para>A qualitative study was conducted based on observation of screening actions in Seine-Saint-Denis and semi-directive interviews with health professionals in charge of screening, community representatives and associations, and individuals from the population concerned...
April 27, 2017: Santé Publique: Revue Multidisciplinaire Pour la Recherche et L'action
https://www.readbyqxmd.com/read/28736678/rapid-assessment-zika-virus-knowledge-among-clinical-specialists-in-singapore-a-cross-sectional-survey
#8
Chee F Yung, Clarence C Tam, Victor S Rajadurai, Jerry Ky Chan, Mabel Sf Low, Yong H Ng, Koh C Thoon, Lay K Tan
INTRODUCTION: We report the results of a rapid assessment of Zika virus awareness among key clinical specialties in Singapore. METHODS: Between June 6 and June 19, 2016 we conducted an online survey of doctors working in obstetrics and gynaecology, neonatology and paediatrics in Singapore. The survey included 15 multiple choice questions to measure respondents' knowledge of Zika virus in four domains covering clinical and public health. RESULTS: A total of 110 survey responses (15% response rate) were obtained, 82% of respondents worked in the public sector...
May 3, 2017: PLoS Currents
https://www.readbyqxmd.com/read/28736358/-emergence-of-methicillin-resistant-staphylococcus-aureus-sccmec-type-iv-v-epidemic-clones-in-a-large-teaching-hospital-in-china
#9
Yi-Ming Zhong, Rui Yuan, Jian-Sheng Ding, Fang Yang, Wen-En Liu
OBJECTIVE: To investigate the staphylococcal cassette chromosome mec (SCCmec) genotype and molecular epidemiological characteristics of healthcare-associated methicillin-resistant Staphylococcus aureus (HA-MRSA) in a large teaching hospital in China. METHDOS: From January 2012 to December 2012, a total of 71 nonduplicate HA-MRSA were collected in a teaching hospital in Changsha, China. SCCmec types were determined by multiplex PCR, and Panton-Valentine leukocidin (PVL) gene was detected by PCR...
July 20, 2017: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/28735882/antibiotic-resistance-and-population-structure-of-cystic-fibrosis-pseudomonas-aeruginosa-isolates-from-a-spanish-multi-centre-study
#10
Carla López-Causapé, Juan de Dios-Caballero, Marta Cobo, Amparo Escribano, Óscar Asensio, Antonio Oliver, Rosa Del Campo, Rafael Cantón
The first Spanish multi-centre study on the microbiology of cystic fibrosis (CF) was conducted from 2013 to 2014. The study involved 24 CF units from 17 hospitals, and recruited 341 patients. The aim of this study was to characterise Pseudomonas aeruginosa isolates, 79 of which were recovered from 75 (22%) patients. The study determined the population structure, antibiotic susceptibility profile and genetic background of the strains. Fifty-five percent of the isolates were multi-drug-resistant, and 16% were extensively-drug-resistant...
July 20, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28735858/asymmetric-disease-dynamics-in-multihost-interconnected-networks
#11
Shai Pilosof, Gili Greenbaum, Boris R Krasnov, Yuval R Zelnik
Epidemic spread in single-host systems strongly depends on the population's transmission network. However, little is known regarding the spread of epidemics across networks representing populations of multiple hosts. We explored cross-species transmission in a multilayer network where layers represent populations of two distinct hosts, and disease can spread across intralayer (within-host) and interlayer (between-host) edges. We developed an analytic framework for the SIR epidemic model to examine the effect of (i) source of infection and (ii) between-host asymmetry in infection probabilities, on disease risk...
July 21, 2017: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/28735775/heroin-uncertainties-exploring-users-perceptions-of-fentanyl-adulterated-and-substituted-heroin
#12
Daniel Ciccarone, Jeff Ondocsin, Sarah G Mars
BACKGROUND: The US is experiencing an unprecedented opioid overdose epidemic fostered in recent years by regional contamination of the heroin supply with the fentanyl family of synthetic opioids. Since 2011 opioid-related overdose deaths in the East Coast state of Massachusetts have more than tripled, with 75% of the 1374 deaths with an available toxicology positive for fentanyl. Fentanyl is 30-50X more potent than heroin and its presence makes heroin use more unpredictable. A rapid ethnographic assessment was undertaken to understand the perceptions and experiences of people who inject drugs sold as 'heroin' and to observe the drugs and their use...
July 11, 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/28735771/toxicosurveillance-in-the-us-opioid-epidemic
#13
Scott N Lucyk, Lewis S Nelson
No abstract text is available yet for this article.
June 24, 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/28735455/examining-the-role-of-income-inequality-and-neighborhood-walkability-on-obesity-and-physical-activity-among-low-income-hispanic-adults
#14
Samuel D Towne, Michael L Lopez, Yajuan Li, Matthew Lee Smith, Judith L Warren, Alexandra E Evans, Marcia G Ory
Obesity is a major public health issue affecting rising medical costs and contributing to morbidity and premature mortality. We aimed to identify factors that may play a role in obesity and physical activity at the individual and environmental/neighborhood levels. We analyzed data from an adult sample who were parents of students enrolled in a school-based health and wellness program. The sample was restricted to those who were Hispanic and whose children were on free/reduced lunch (n = 377). Dependent variables: body mass index (BMI); neighborhood walkability...
July 22, 2017: Journal of Immigrant and Minority Health
https://www.readbyqxmd.com/read/28734630/management-of-an-acinetobacter-baumannii-outbreak-in-an-intensive-care-unit
#15
M Tanguy, A Kouatchet, B Tanguy, É Pichard, S Fanello, M-L Joly-Guillou
INTRODUCTION: Acinetobacter baumannii is a ubiquitous pathogen resistant to desiccation and responsible for healthcare-associated infections (HAI), especially in intensive care units (ICU) where it is responsible for 5-10% of HAIs. An A. baumannii outbreak occurred in the ICU of the University Hospital of Angers, France. OBJECTIVES: To describe the A. baumannii outbreak and to evaluate the control measures taken. The secondary objective was to evaluate the impact of the electronic alert system on the incidence of multidrug resistance to antibiotics...
July 19, 2017: Médecine et Maladies Infectieuses
https://www.readbyqxmd.com/read/28734617/epidemiology-evolution-and-pathogenesis-of-h7n9-influenza-viruses-in-five-epidemic-waves-since-2013-in-china
#16
REVIEW
Shuo Su, Min Gu, Di Liu, Jie Cui, George F Gao, Jiyong Zhou, Xiufan Liu
H7N9 influenza viruses were first isolated in 2013 and continue to cause human infections. H7N9 infections represent an ongoing public health threat that has resulted in 1344 cases with 511 deaths as of April 9, 2017. This highlights the continued threat posed by the current poultry trade and live poultry market system in China. Until now, there have been five H7N9 influenza epidemic waves in China; however, the steep increase in the number of humans infected with H7N9 viruses observed in the fifth wave, beginning in October 2016, the spread into western provinces, and the emergence of highly pathogenic (HP) H7N9 influenza outbreaks in chickens and infection in humans have caused domestic and international concern...
July 19, 2017: Trends in Microbiology
https://www.readbyqxmd.com/read/28734577/characterization-of-a-pvl-negative-community-acquired-methicillin-resistant-staphylococcus-aureus-strain-of-sequence-type-88-in-china
#17
Lu Sun, Dandan Wu, Yan Chen, Qian Wang, Haiping Wang, Yunsong Yu
Sequence type 88 community-acquired methicillin-resistant Staphylococcus aureus (CA-MRSA) strain SR434, isolated from an outpatient with skin and soft tissue infection, was subjected to whole genome sequencing, antimicrobial susceptibility testing, mouse skin infection model and hemolysis analysis to identify its virulence and resistance determinants. MRSA strain SR434 is resistant to clindamycin, erythromycin and fosfomycin. Four plasmids with resistance genes were identified in this strain, including a 20,658bp blaZ-carrying plasmid, a 2473bp ermC-carrying plasmid, a 2622bp fosB7-carrying plasmid (86% identity with plasmid in a ST2590 MRSA strain) and a 4817bp lnuA-carrying plasmid (99% identity with pLNU4 from bovine coagulase-nagetive Staphylococci)...
July 13, 2017: International Journal of Medical Microbiology: IJMM
https://www.readbyqxmd.com/read/28734432/outbreak-of-middle-east-respiratory-syndrome-coronavirus-causes-high-fatality-after-cardiac-operations
#18
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/28734191/evolutionary-dynamics-of-recent-peste-des-petits-ruminants-virus-epidemic-in-china-during-2013-2014
#19
Jingyue Bao, Qinghua Wang, Lin Li, Chunju Liu, Zhicheng Zhang, Jinming Li, Shujuan Wang, Xiaodong Wu, Zhiliang Wang
Peste des petits ruminants virus (PPRV) causes a highly contagious disease, peste des petits ruminants (PPR), in sheep and goats which has been considered as a serious threat to the local economy in Africa and Asia. However, the in-depth evolutionary dynamics of PPRV during an epidemic is not well understood. We conducted phylogenetic analysis on genomic sequences of 25 PPRV strains from China 2013-2014 outbreaks. All these strains clustered into a novel clade in lineage 4. An evolutionary rate of 2.61 × 10(-6) nucleotide substitutions per site per day was estimated, dating the most recent common ancestor of PPRV China 2013-2014 strains to early August 2013...
July 19, 2017: Virology
https://www.readbyqxmd.com/read/28734093/scaling-up-hcv-prevention-and-treatment-interventions-in-rural-usa-model-projections-for-tackling-an-increasing-epidemic
#20
Hannah Fraser, Jon Zibbell, Thomas Hoerger, Susan Hariri, Claudia Vellozzi, Natasha K Martin, Alex H Kral, Matthew Hickman, John W Ward, Peter Vickerman
BACKGROUND AND AIMS: Effective strategies are needed to address dramatic increases in hepatitis C virus (HCV) infection among people who inject drugs (PWID) in rural settings of the United States (US). We determined the required scale-up of HCV treatment with or without scale-up of HCV prevention interventions to achieve a 90% reduction in HCV chronic prevalence or incidence by 2025 and 2030 in a rural US setting. DESIGN: An ordinary differential equation model of HCV transmission calibrated to HCV epidemiological data obtained primarily from a HIV-outbreak investigation in Indiana...
July 22, 2017: Addiction
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