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https://www.readbyqxmd.com/read/28339675/high-reported-rates-of-antimicrobial-resistance-in-indian-neonatal-and-pediatric-blood-stream-infections
#1
Dhanya Dharmapalan, Anita Shet, Vijay Yewale, Mike Sharland
Background.: There is real shortage of national data on antimicrobial resistance rates in Indian neonates and children. A descriptive review was conducted to determine the patterns of antimicrobial resistance in isolates of blood stream infection among hospitalized children in India. Methods.: Published and gray literature on antibiotic resistance in children was searched using "Google Scholar", "Scopus", and "PubMed" databases between January 2000 and July 2015...
February 18, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/28335029/the-challenge-of-assessing-microcephaly-in-the-context-of-the-zika-virus-epidemic
#2
Llorenç Quintó, Alberto L García-Basteiro, Azucena Bardají, Raquel González, Norma Padilla, Flor E Martinez-Espinosa, Myriam Arévalo-Herrera, Eusébio Macete, Clara Menéndez
The present article examines the impact of the current limitations of the microcephaly definition in the context of the Zika virus outbreak. It highlights its dependence on the method used for determining gestational age and other anthropometric parameters, and includes original results of prevalence of microcephaly in four countries from two different continents (Mozambique, Brazil, Guatemala and Colombia). Alternative definitions of microcephaly are proposed to allow the identification of true cases of microcephaly in a more accurate manner...
March 10, 2017: Journal of Tropical Pediatrics
https://www.readbyqxmd.com/read/28334380/the-influence-of-sogatella-furcifera-hemiptera-delphacidae-migratory-events-on-the-southern-rice-black-streaked-dwarf-virus-epidemics
#3
Yan Wu, Guo Zhang, Xiao Chen, Xi-Jie Li, Kai Xiong, Shu-Pei Cao, Yan-Yue Hu, Ming-Hong Lu, Wan-Cai Liu, Hoang-Anh Tuan, Guo-Jun Qi, Bao-Ping Zhai
Southern rice black-streaked dwarf virus (SRBSDV) caused serious rice losses. After the first outbreak in 2009 in northern Vietnam and southern China, the virus ravaged crops again on enormous scales in 2010, but infections have decreased sharply since 2011. We presumed that the sudden epidemics and fadeout of SRBSDV would be closely related to the migratory events of the insect vector, Sogatella furcifera. This study sought the source area of SRBSDV using the trajectory analysis method, and revealed the relationship between SRBSDV dynamics and migration of S...
March 2, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28330886/preclinical-diagnosis-predicting-its-ability-to-improve-control-of-farm-to-farm-foot-and-mouth-disease-transmission-in-cattle
#4
Noel Nelson, David J Paton, Simon Gubbins, Claire Colenutt, Emma Brown, Sophia Hodgson, Jose L Gonzales
Foot-and-mouth disease (FMD) can cause large disruptive epidemics in livestock. Current eradication measures rely on the rapid clinical detection and removal of infected herds. Here, we have evaluated the potential for preclinical diagnosis during reactive surveillance to reduce the risk of between farm transmission. We used data from transmission experiments in cattle where both individual animal samples, such as blood, probang, saliva or nasal swabs, and herd level samples, such as air samples, were taken daily during the course of infection...
March 22, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28327811/undiagnosed-acute-hiv-infection-identified-through-rna-testing-of-pooled-serum-samples-obtained-during-a-dengue-outbreak-in-s%C3%A3-o-paulo-brazil
#5
Elaine Monteiro Matsuda, Daniela Rodrigues Colpas, Norberto Camilo Campos, Luana Portes Ozorio Coelho, Andreia Moreira Dos Santos Carmo, Luís Fernando de Macedo Brígido
INTRODUCTION: Improving HIV diagnostics and treatment is necessary to end the AIDS epidemic. Pooled plasma can be used to identify patients with acute HIV disease, even before serological tests. During dengue outbreaks, patients having symptoms common to other acute viral diseases might seek medical care. METHODS: We evaluated HIV RNA in pooled seronegative dengue samples. RESULTS: After excluding individuals with a known HIV diagnosis, an HIV-1 prevalence of 0...
January 2017: Revista da Sociedade Brasileira de Medicina Tropical
https://www.readbyqxmd.com/read/28327796/keeping-track-of-hidden-dangers-the-short-history-of-the-sabi%C3%A3-virus
#6
Joel Henrique Ellwanger, José Artur Bogo Chies
Emerging infectious diseases are a global threat. In countries like Brazil, where biodiversity is high and public health conditions in terms of infrastructure and medical care are often precarious, emerging diseases are particularly worrisome. The lack of monitoring strategies to identify pathogens with the potential to cause outbreaks or epidemics is another problem in Brazil and other developing countries. In this article, we present the history of the Sabiá virus (SABV), a pathogen that was described in the 1990s in Brazil...
January 2017: Revista da Sociedade Brasileira de Medicina Tropical
https://www.readbyqxmd.com/read/28327792/vegetation-loss-and-the-2016-oropouche-fever-outbreak-in-peru
#7
Daniel Romero-Alvarez, Luis E Escobar
BACKGROUND: Oropouche virus causes Oropouche fever, an arboviral disease transmitted mainly by midges of the genus Culicoides and Culex mosquitoes. Clinical presentation of Oropouche fever in humans includes fever, headache, rash, myalgia, and in rare cases spontaneous bleeding and aseptic meningitis. Landscape change has been proposed as a driver of Oropouche fever emergence. OBJECTIVE: To investigate the landscape epidemiology of the Oropouche fever outbreak that began in April 2016 in Cusco, Peru...
April 2017: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/28325494/modelling-h5n1-in-bangladesh-across-spatial-scales-model-complexity-and-zoonotic-transmission-risk
#8
Edward M Hill, Thomas House, Madhur S Dhingra, Wantanee Kalpravidh, Subhash Morzaria, Muzaffar G Osmani, Mat Yamage, Xiangming Xiao, Marius Gilbert, Michael J Tildesley
Highly pathogenic avian influenza H5N1 remains a persistent public health threat, capable of causing infection in humans with a high mortality rate while simultaneously negatively impacting the livestock industry. A central question is to determine regions that are likely sources of newly emerging influenza strains with pandemic causing potential. A suitable candidate is Bangladesh, being one of the most densely populated countries in the world and having an intensifying farming system. It is therefore vital to establish the key factors, specific to Bangladesh, that enable both continued transmission within poultry and spillover across the human-animal interface...
February 21, 2017: Epidemics
https://www.readbyqxmd.com/read/28323536/on-social-and-political-effects-of-plant-pest-and-disease-epidemics
#9
Jan C Zadoks
Selected historical pest and disease outbreaks in the Old World are discussed in view of their social and political consequences. Large-scale epidemics always caused social unrest, and often hunger, pestilence and death. When coming on top of deeply rooted and widely spread social unrest such epidemics contributed to political change. Examples are the revolts following epidemics in 1789 and 1846. Epidemics, regardless of causal and target organisms, have elements in common. The notion of a common concept grew into a firmly established discipline: epidemiology...
March 21, 2017: Phytopathology
https://www.readbyqxmd.com/read/28320394/el-ni%C3%A3-o-southern-oscillation-as-an-early-warning-tool-for-malaria-outbreaks-in-india
#10
Ramesh C Dhiman, Soma Sarkar
BACKGROUND: Risks of malaria epidemics in relation to El Niño and Southern Oscillation (ENSO) events have been mapped and studied at global level. In India, where malaria is a major public health problem, no such effort has been undertaken that inter-relates El Niño, Indian Summer Monsoon Rainfall (ISMR) and malaria. The present study has been undertaken to find out the relationship between ENSO events, ISMR and intra-annual variability in malaria cases in India, which in turn could help mitigate the malaria outbreaks...
March 20, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28315476/comparative-analysis-of-protein-evolution-in-the-genome-of-pre-epidemic-and-epidemic-zika-virus
#11
Arunachalam Ramaiah, Lei Dai, Deisy Contreras, Sanjeev Sinha, Ren Sun, Vaithilingaraja Arumugaswami
Zika virus (ZIKV) causes microcephaly in congenital infection, neurological disorders, and poor pregnancy outcome and no vaccine is available for use in humans or approved. Although ZIKV was first discovered in 1947, the exact mechanism of virus replication and pathogenesis remains unknown. Recent outbreaks of Zika virus in the Americas clearly suggest a human-mosquito cycle or urban cycle of transmission. Understanding the conserved and adaptive features in the evolution of ZIKV genome will provide a hint on the mechanism of ZIKV adaptation to a new cycle of transmission...
March 14, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28303239/epidemiology-of-ebola-virus-disease-in-the-western-area-region-of-sierra-leone-2014-2015
#12
Margaret Lamunu, Olushayo Oluseun Olu, James Bangura, Zabulon Yoti, Thomas Takpau Samba, David Kabba Kargbo, Foday Mohamed Dafae, Muhammad Ali Raja, Noah Sempira, Michael Lyazi Ivan, Aarti Sing, Fredson Kurti-George, Negusu Worku, Pamela Mitula, Louisa Ganda, Robert Samupindi, Roland Conteh, Kande-Bure Kamara, Beatrice Muraguri, Michael Kposowa, Joseph Charles, Malimbo Mugaga, Christopher Dye, Anshu Banerjee, Pierre Formenty, Brima Kargbo, Raymond Bruce Aylward
INTRODUCTION: Western Area (WA) of Sierra Leone including the capital, Freetown, experienced an unprecedented outbreak of Ebola from 2014 to 2015. At the onset of the epidemic, there was little information about the epidemiology, transmission dynamics, and risk factors in urban settings as previous outbreaks were limited to rural/semi-rural settings. This study, therefore, aimed to describe the epidemiology of the outbreak and the factors which had most impact on the transmission of the epidemic and whether there were different drivers from those previously described in rural settings...
2017: Frontiers in Public Health
https://www.readbyqxmd.com/read/28302925/best-practices-to-prevent-transmission-and-control-outbreaks-of-hand-foot-and-mouth-disease-in-childcare-facilities-a-systematic-review
#13
REVIEW
J Hy Chan, C K Law, E Hamblion, H Fung, J Rudge
INTRODUCTION: Hand, foot, and mouth disease continues to cause seasonal epidemics in the Asia-Pacific Region. Since the current Enterovirus 71 vaccines do not provide cross-protection for all Enterovirus species that cause hand, foot, and mouth disease, there is an urgent need to identify appropriate detection tools and best practice to prevent its transmission and to effectively control its outbreaks. This systematic review aimed to identify characteristics of outbreak and assess the impact and effectiveness of detection tools and public health preventive measures to interrupt transmission...
March 17, 2017: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
https://www.readbyqxmd.com/read/28302630/prevalence-of-microcephaly-in-eight-south-eastern-and-midwestern-brazilian-neonatal-intensive-care-units-2011-2015
#14
Maria Clara de Magalhães-Barbosa, Arnaldo Prata-Barbosa, Jaqueline Rodrigues Robaina, Carlos Eduardo Raymundo, Fernanda Lima-Setta, Antonio José Ledo Alves da Cunha
OBJECTIVE: To describe the prevalence of microcephaly in infants admitted to the neonatal intensive care units (NICUs) in eight private hospitals in south-eastern and midwestern Brazil, from 2011 to 2015. DESIGN: Observational, cross-sectional study in a cohort of neonates. SETTING: Eight private NICUs situated in the cities of Rio de Janeiro (RJ), São Paulo (SP) and Federal District of Brasilia (FDB). PATIENTS: Neonates up to 7 days of age and >23 weeks of gestational age...
March 16, 2017: Archives of Disease in Childhood
https://www.readbyqxmd.com/read/28302313/influenza
#15
REVIEW
Catharine Paules, Kanta Subbarao
Influenza is an acute respiratory illness, caused by influenza A, B, and C viruses, that occurs in local outbreaks or seasonal epidemics. Clinical illness follows a short incubation period and presentation ranges from asymptomatic to fulminant, depending on the characteristics of both the virus and the individual host. Influenza A viruses can also cause sporadic infections or spread worldwide in a pandemic when novel strains emerge in the human population from an animal host. New approaches to influenza prevention and treatment for management of both seasonal influenza epidemics and pandemics are desirable...
March 10, 2017: Lancet
https://www.readbyqxmd.com/read/28299154/assessment-of-malaria-reporting-and-epidemic-preparedness-systems-in-health-facilities-in-eldoret-west-district-uasin-gishu-county-kenya
#16
Ruth C Kirinyet, Arthur S Ng'etich, Ahmad Juma
The most important factor in reducing the impact of an epidemic is a timely response with implementation of effective control measures at the point of detection. This study sought to assess the malaria reporting and epidemic preparedness systems of health facilities in Eldoret West District, Kenya. A cross-sectional study design was adapted. A census technique was used to select all the forty five health facilities in the district comprising of government, mission and non-governmental facilities. An interviewer administered questionnaire was used for data collection and analysis done using Stata...
August 17, 2016: Journal of Public Health in Africa
https://www.readbyqxmd.com/read/28299152/ebola-viral-disease-in-west-africa-a-threat-to-global-health-economy-and-political-stability
#17
Semeeh Akinwale Omoleke, Ibrahim Mohammed, Yauba Saidu
The West African sub-continent is currently experiencing its first, and ironically, the largest and longest Ebola viral diseases (EVD) outbreak ever documented in modern medical history. The current outbreak is significant in several ways, including longevity, magnitude of morbidity and mortality, occurrence outside the traditional niches, rapid spread and potential of becoming a global health tragedy. The authors provided explicit insights into the current and historical background, drivers of the epidemic, societal impacts, status of vaccines and drugs development and proffered recommendations to halt and prevent future occurrences...
August 17, 2016: Journal of Public Health in Africa
https://www.readbyqxmd.com/read/28297964/mixed-order-phase-transition-in-a-two-step-contagion-model-with-a-single-infectious-seed
#18
Wonjun Choi, Deokjae Lee, B Kahng
Percolation is known as one of the most robust continuous transitions, because its occupation rule is intrinsically local. As one of the ways to break the robustness, occupation is allowed to more than one species of particles and they occupy cooperatively. This generalized percolation model undergoes a discontinuous transition. Here we investigate an epidemic model with two contagion steps and characterize its phase transition analytically and numerically. We find that even though the order parameter jumps at a transition point r_{c}, then increases continuously, it does not exhibit any critical behavior: the fluctuations of the order parameter do not diverge at r_{c}...
February 2017: Physical Review. E
https://www.readbyqxmd.com/read/28294578/rethinking-thresholds-for-serological-evidence-of-influenza-virus-infection
#19
Xiahong Zhao, Karen Siegel, Mark I-Cheng Chen, Alex R Cook
INTRODUCTION: For pathogens such as influenza that cause many sub-clinical cases, serologic data can be used to estimate attack rates and the severity of an epidemic in near real-time. Current methods for analysing serologic data tend to rely on use of a simple threshold or comparison of titers between pre- and post-epidemic, which may not accurately reflect actual infection rates. METHODS: We propose a method for quantifying infection rates using paired sera and bivariate probit models to evaluate the accuracy of thresholds currently used for influenza epidemics with low and high existing herd immunity levels, and a subsequent non-influenza period...
March 13, 2017: Influenza and Other Respiratory Viruses
https://www.readbyqxmd.com/read/28294087/a-large-outbreak-of-acute-gastroenteritis-in-shippensburg-pennsylvania-1972-revisited-evidence-for-common-source-exposure-to-a-recombinant-gii-pg-gii-3-norovirus
#20
J A Johnson, G I Parra, E A Levenson, K Y Green
Historical outbreaks can be an important source of information in the understanding of norovirus evolution and epidemiology. Here, we revisit an outbreak of undiagnosed gastroenteritis that occurred in Shippensburg, Pennsylvania in 1972. Nearly 5000 people fell ill over the course of 10 days. Symptoms included diarrhea, vomiting, stomach cramps, and fever, lasting for a median of 24 h. Using current techniques, including next-generation sequencing of full-length viral genomic amplicons, we identified an unusual norovirus recombinant (GII...
March 15, 2017: Epidemiology and Infection
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