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https://www.readbyqxmd.com/read/29142540/clinical-audit-of-dengue-related-deaths-in-2011-mayo-hospital-lahore-pakistan
#1
Somia Iqtadar, Nabeel Akbar, Mehreen Mehmood, Sajid Abaidullah
Background and Objective: Dengue infection has evolved into an epidemic during last few years in Pakistan and has been associated with poor outcomes. Literature with respect to mortality risk factors in Dengue infection is not sufficient. This compelled us to conduct this study to find out major contributory factors to death in patients with dengue viral infection at one of Asia's ancient hospital setting with an aim to recognize complications at earliest and improve case management in future...
September 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29126872/phylogenetic-analyses-of-denv-3-isolated-from-field-caught-mosquitoes-in-thailand
#2
Thikhumporn Sittivicharpinyo, Passorn Wonnapinij, Wunrada Surat
Dengue virus serotype 3 (DENV-3) can cause all forms of dengue diseases and is a predominant serotype in many countries. This serotype is classified into five genotypes: I-V. Genotypes I-III have widely spread throughout the world, whereas genotypes IV and V are rare. Despite the impact on the spread of dengue diseases, only a few studies have reported the characteristics of DENV present in mosquito vectors. Hence, this study aimed to identify DENV-3 genotypes and reveal genetic variation of this virus presented in field-caught mosquitoes collected from endemic areas in Thailand during 2011-2015...
November 8, 2017: Virus Research
https://www.readbyqxmd.com/read/29118655/the-burden-of-dengue-source-reduction-measures-and-serotype-patterns-in-myanmar-2011-to-2015-r2
#3
Pwint Mon Oo, Khin Thet Wai, Anthony D Harries, Hemant Deepak Shewade, Tin Oo, Aung Thi, Zaw Lin
Background: Myanmar is currently classified as a high burden dengue country in the Asian Pacific region. The Myanmar vector-borne diseases control (VBDC) program has collected data on dengue and source reduction measures since 1970, and there is a pressing need to collate, analyze, and interpret this information. The aim of this study was to describe the burden of hospital-based dengue disease, dengue control measures, and serotype patterns in Myanmar between 2011 and 2015. Methods: This was a cross-sectional study using annual records from the Dengue Fever/Dengue Hemorrhagic Fever Prevention and Control Project in Myanmar...
2017: Tropical Medicine and Health
https://www.readbyqxmd.com/read/29116291/analysis-of-dengue-cases-according-to-clinical-severity-s%C3%A3-o-lu%C3%A3-s-maranh%C3%A3-o-brazil
#4
José de Jesus Dias, Maria Dos Remédios Freitas Carvalho Branco, Rejane Christine de Sousa Queiroz, Alcione Miranda Dos Santos, Emnielle Pinto Borges Moreira, Maria do Socorro da Silva
Severe dengue cases have increased in Brazil since 2001, with the first records in Maranhão dating back to 2002. The aim of this study was to determine the prevalence of severe dengue cases by age group and the possible risk factors. This was a study of secondary data on dengue in residents of São Luís, Maranhão, Brazil, using probable cases notified to the National Mandatory Reporting System (SINAN) from 2002 to 2011. The diagnosis and classification of dengue were based on the Brazilian Ministry of Health criteria: dengue fever (DF), dengue hemorrhagic fever (DHF) and dengue fever with complications (DWC)...
November 6, 2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/29103928/surveillance-of-intensity-level-and-geographical-spreading-of-dengue-outbreak-among-males-and-females-in-punjab-pakistan-a-case-study-of-2011
#5
Shahbaz Ahmad, Muhammad Asif, Ramzan Talib, Muhammad Adeel, Muhammad Yasir, Muhammad Hasanain Chaudary
BACKGROUND: Dengue fever is viral disease which spreads due to the bite of the Aedes aegypti mosquito. In recent years, it has affected around 40% population of the world. Its endemic flow has led to a large disease burden, in terms of human and financial resources. METHODS: Geographical Information Systems (GIS) are normally used to develop epidemiological thematic maps. This study explores the patterns and hotspots, associated with the catastrophic outbreak of dengue, in Punjab, in 2011...
November 2, 2017: Journal of Infection and Public Health
https://www.readbyqxmd.com/read/29078078/characterization-of-type-i-interferon-responses-in-dengue-and-severe-dengue-in-children-in-paraguay
#6
Laura B Talarico, Alana B Byrne, Sara Amarilla, Dolores Lovera, Cynthia Vázquez, Gustavo Chamorro, Patricio L Acosta, Adrián Ferretti, Mauricio T Caballero, Antonio Arbo, Fernando P Polack
BACKGROUND: Infection with dengue virus (DENV) produces a wide spectrum of clinical illness ranging from asymptomatic infection to mild febrile illness, and to severe forms of the disease. Type I interferons (IFNs) represent an initial and essential host defense response against viruses. DENV has been reported to trigger a robust type I IFN response; however, IFN-α/β profile in the progression of disease is not well characterized. OBJECTIVES AND STUDY DESIGN: In this context, we conducted a retrospective study assessing the circulating serum levels of type I IFNs and related cytokines at different phases of illness in children during the 2011 outbreak of DENV in Paraguay...
October 18, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/29051839/external-quality-assessment-for-arbovirus-diagnostics-in-the-world-health-organization-western-pacific-region-2013-2016-improving-laboratory-quality-over-the-years
#7
Mohammad Yazid Abdad, Raynal C Squires, Sebastien Cognat, Christopher John Oxenford, Frank Konings
Arboviruses continue to pose serious public health threats in the World Health Organization (WHO) Western Pacific Region. As such, laboratories need to be equipped for their accurate detection. In 2011, to ensure test proficiency, the WHO Regional Office for the Western Pacific piloted an external quality assessment (EQA) programme for arbovirus diagnostics. By 2016, it had grown into a global programme with participation of 96 laboratories worldwide, including 25 laboratories from 19 countries, territories and areas in the Region...
July 2017: Western Pacific Surveillance and Response Journal: WPSAR
https://www.readbyqxmd.com/read/29036169/developing-a-dengue-forecast-model-using-machine-learning-a-case-study-in-china
#8
Pi Guo, Tao Liu, Qin Zhang, Li Wang, Jianpeng Xiao, Qingying Zhang, Ganfeng Luo, Zhihao Li, Jianfeng He, Yonghui Zhang, Wenjun Ma
BACKGROUND: In China, dengue remains an important public health issue with expanded areas and increased incidence recently. Accurate and timely forecasts of dengue incidence in China are still lacking. We aimed to use the state-of-the-art machine learning algorithms to develop an accurate predictive model of dengue. METHODOLOGY/PRINCIPAL FINDINGS: Weekly dengue cases, Baidu search queries and climate factors (mean temperature, relative humidity and rainfall) during 2011-2014 in Guangdong were gathered...
October 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29026852/effect-of-climatic-conditions-and-water-bodies-on-population-dynamics-of-the-dengue-vector-aedes-aegypti-diptera-culicidae
#9
Shabab Nasir, Farhat Jabeen, Sadia Abbas, Iram Nasir, Mustapha Debboun
BACKGROUND: The population of mosquitoes is mainly influenced by the biotic and abiotic factors. Although Aedes aegypti was reported until 1960's in the Punjab, Pakistan, the population has increased dramatically since 2009 and caused severe epidemics in 2011 due to heavy floods and rains. Thus, this study was carried out to know the effect of biotic and abiotic factors on the population of Aedes aegypti. METHODS: Mosquitoes were collected from fresh, sewage, and rain water ponds, fish ponds, rice fields, tyres, tree holes, and manmade storage containers present in and around residential homes twice during every winter (October-February), summer (March-June) and monsoon season (July-September) from marked rural areas...
March 2017: Journal of Arthropod-borne Diseases
https://www.readbyqxmd.com/read/28986247/the-reintroduction-of-denv-2-in-2011-in-panama-and-subsequent-outbreak-characteristic
#10
Yamilka Díaz, Julio Cisneros, Hilda Guzmán, Paola Cordoba, Jean-Paul Carrera, Brechla Moreno, Rubing Chen, Juan Castillo Mewa, Lourdes García, Lizbeth Cerezo, Amelia Travassos da Rosa, Nathan D Gundacker, Blas Armién, Scott C Weaver, Nikos Vasilakis, Sandra López-Vergès, Robert Tesh
The circulation of the South-east Asian/American (AS/AM) dengue 2 virus (DENV-2) genotype in the Americas has been associated with a high rate of severe disease. From 1993, the year DENV was reintroduced in Panama, until 2011 there were 29 dengue-associated deaths, 17 of which occurred in 2011, the most severe outbreak with a case fatality rate (CFR) of 44% (17 deaths out of 38 severe dengue cases). During this outbreak DENV-2 was reintroduced into the country, whereas over the prior five years DENV-1 and -3 were predominant...
October 3, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28978319/acute-undifferentiated-fever-in-india-a-multicentre-study-of-aetiology-and-diagnostic-accuracy
#11
Kristine Mørch, Anand Manoharan, Sara Chandy, Novin Chacko, Gerardo Alvarez-Uria, Suvarna Patil, Anil Henry, Joel Nesaraj, Cijoy Kuriakose, Ashita Singh, Siby Kurian, Christel Gill Haanshuus, Nina Langeland, Bjørn Blomberg, George Vasanthan Antony, Dilip Mathai
BACKGROUND: The objectives of this study were to determine the proportion of malaria, bacteraemia, scrub typhus, leptospirosis, chikungunya and dengue among hospitalized patients with acute undifferentiated fever in India, and to describe the performance of standard diagnostic methods. METHODS: During April 2011-November 2012, 1564 patients aged ≥5 years with febrile illness for 2-14 days were consecutively included in an observational study at seven community hospitals in six states in India...
October 4, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28928720/potential-risk-areas-of-aedes-albopictus-in-south-eastern-iran-a-vector-of-dengue-fever-zika-and-chikungunya
#12
Jalil Nejati, Rubén Bueno-Marí, Francisco Collantes, Ahmad A Hanafi-Bojd, Hassan Vatandoost, Zabihollah Charrahy, Seyed M Tabatabaei, Mohammad R Yaghoobi-Ershadi, Abdolghafar Hasanzehi, Mohammad R Shirzadi, Seyed H Moosa-Kazemi, Mohammad M Sedaghat
The possibility of the rapid and global spread of Zika, chikungunya, yellow fever, and dengue fever by Aedes albopictus is well documented and may be facilitated by changes in climate. To avert and manage health risks, climatic and topographic information can be used to model and forecast which areas may be most prone to the establishment of Ae. albopictus. We aimed to weigh and prioritize the predictive value of various meteorological and climatic variables on distributions of Ae. albopictus in south-eastern Iran using the Analytical Hierarchy Process...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28918772/incidence-and-risk-factors-for-dengue-virus-denv-infection-in-the-first-2-years-of-life-in-a-brazilian-prospective-birth-cohort
#13
P M S Castanha, U R Montarroyos, S M M Silveira, G D M Albuquerque, M J G Mello, K G S Lopes, M T Cordeiro, E T A Marques, C M T Martelli, C Braga
This study assessed the incidence and risk factors for dengue virus (DENV) infection among children in a prospective birth cohort conducted in the city of Recife, a hyperendemic dengue area in Northeast Brazil. Healthy pregnant women (n = 415) residing in Recife who agreed to have their children followed were enrolled. Children were followed during their first 24 months of age (May/2011-June/2014), before the 2015 Zika virus outbreak. DENV infection was detected by reverse-transcriptase polymerase chain reaction and/or serology (anti-DENV IgM/IgG)...
October 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28887788/the-clinical-and-serological-profile-of-pediatric-dengue
#14
Sujatha Ramabhatta, Saravanan Palaniappan, Navya Hanumantharayappa, Shaik Vajidunnisa Begum
OBJECTIVE: To classify suspected dengue into dengue, dengue with warning signs and severe dengue, based on clinical features as per the revised WHO guidelines with special emphasis on serology. METHODS: It was a prospective cross-sectional study for five years from 2011-2016 in a tertiary care medical college hospital in Bangalore. All cases of fever of three to five days duration with symptoms like dengue were enrolled for the study. They were categorized into three groups as per the Revised WHO 2012 criteria...
December 2017: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/28854113/a-statewide-survey-for-container-breeding-mosquitoes-in-mississippi
#15
Jerome Goddard, Gail M Moraru, Sarah J Mcinnis, J Santos Portugal, Donald A Yee, J Hunter Deerman, Wendy C Varnado
Container-breeding mosquitoes are important in public health due to outbreaks of Zika, chikungunya, and dengue viruses. This paper documents the distribution of container-breeding mosquito species in Mississippi, with special emphasis on the genus Aedes. Five sites in each of the 82 Mississippi counties were sampled monthly between May 1 and August 31, 2016, and 50,109 mosquitoes in 14 species were collected. The most prevalent and widely distributed species found was Ae. albopictus, being found in all 82 counties, especially during July...
September 2017: Journal of the American Mosquito Control Association
https://www.readbyqxmd.com/read/28839300/sero-surveillance-of-dengue-in-the-city-lahore-pakistan
#16
Ejaz Mahmood Ahmad Qureshi, Amtul Bari Tabinda, Seemal Vehra
OBJECTIVE: To conduct sero-surveillance of dengue cases, and to find out the demographic and socio-economic status of dengue patients. METHODS: This community-based, cross-sectional, descriptive study was conducted at the Institute of Public Health, Lahore, Pakistan, from July to December each year in 2011, 2012 and 2013, and comprised patients suspected to have dengue. Blood samples of dengue patients in five randomly selected union councils of the 10 towns of the city were subjected to the dengue test...
August 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28832752/analysis-of-the-spatial-distribution-of-dengue-cases-in-the-city-of-rio-de-janeiro-2011-and-2012
#17
Silvia Carvalho, Mônica de Avelar Figueiredo Mafra Magalhães, Roberto de Andrade Medronho
OBJECTIVE: Analyze the spatial distribution of classical dengue and severe dengue cases in the city of Rio de Janeiro. METHODS: Exploratory study, considering cases of classical dengue and severe dengue with laboratory confirmation of the infection in the city of Rio de Janeiro during the years 2011/2012. The georeferencing technique was applied for the cases notified in the Notification Increase Information System in the period of 2011 and 2012. For this process, the fields "street" and "number" were used...
August 17, 2017: Revista de Saúde Pública
https://www.readbyqxmd.com/read/28750651/a-cross-sectional-survey-of-aedes-aegypti-immature-abundance-in-urban-and-rural-household-containers-in-central-colombia
#18
Hans J Overgaard, Víctor Alberto Olano, Juan Felipe Jaramillo, María Inés Matiz, Diana Sarmiento, Thor Axel Stenström, Neal Alexander
BACKGROUND: Aedes aegypti, the major vector of dengue, breeds in domestic water containers. The development of immature mosquitoes in such containers is influenced by various environmental, ecological and socioeconomic factors. Urban and rural disparities in water storage practices and water source supply may affect mosquito immature abundance and, potentially, dengue risk. We evaluated the effect of water and container characteristics on A. aegypti immature abundance in urban and rural areas...
July 27, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28748839/seroprevalence-of-dengue-in-a-rural-and-an-urbanized-village-a-pilot-study-from-rural-western-india
#19
P S Shah, A Deoshatwar, S Karad, S Mhaske, A Singh, R V Bachal, K Alagarasu, V S Padbidri, D Cecilia
BACKGROUND & OBJECTIVES: Dengue is highly prevalent in tropical and subtropical regions. The prevalence of dengue is influenced by number of factors, i.e. host, vector, virus and environmental conditions including urbanization and population density. A cross sectional study was undertaken to determine the seroprevalence of dengue in two selected villages that differed in the level of their urbanization and population density. METHODS: Two villages with demographically well-defined populations close to Pune, a metropolitan city of western India, were selected for the study...
April 2017: Journal of Vector Borne Diseases
https://www.readbyqxmd.com/read/28721955/spatiotemporal-clustering-of-dengue-cases-in-thiruvananthapuram-district-kerala
#20
Joanna Sara Valson, Biju Soman
BACKGROUND: Dengue cases are increasing in Kerala since 2010. Information on clustering of cases across locations and time periods is vital for disease surveillance and timely control. OBJECTIVES: The objective is to study spatiotemporal clustering of dengue cases and their climatic and physioenvironmental correlates in Thiruvananthapuram district during 2010-2014. METHODS: Health department data on reported cases of dengue were obtained from January 2011 to June 2014...
April 2017: Indian Journal of Public Health
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