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https://www.readbyqxmd.com/read/29774299/spatial-distribution-and-cluster-analysis-of-dengue-using-self-organizing-maps-in-andhra-pradesh-india-2011-2013
#1
Srinivasa Rao Mutheneni, Rajasekhar Mopuri, Suchithra Naish, Deepak Gunti, Suryanarayana Murty Upadhyayula
Background and objectives: Dengue is an emerging and re-emerging infectious disease, transmitted by mosquitoes. It is mostly prevalent in tropical and sub-tropical regions of the world, particularly, in Asia-Pacific region. To understand the epidemiology and spatial distribution of dengue, a retrospective surveillance study was conducted in the state of Andhra Pradesh, India during 2011-2013. Material and methods: District-wise disease endemicity levels were mapped through geographical information system (GIS) tools...
February 2018: Parasite Epidemiology and Control
https://www.readbyqxmd.com/read/29764403/meteorological-factors-affecting-dengue-incidence-in-davao-philippines
#2
Jesavel A Iguchi, Xerxes T Seposo, Yasushi Honda
BACKGROUND: Dengue fever is a major public health concern in the Philippines, and has been a significant cause of hospitalizations and deaths among young children. Previous literature links climate change to dengue, and with increasingly unpredictable changing climate patterns, there is a need to understand how these meteorological variables affect dengue incidence in a highly endemic area. METHODS: Weekly dengue incidences (2011-2015) in Davao Region, Philippines were obtained from the Department of Health...
May 15, 2018: BMC Public Health
https://www.readbyqxmd.com/read/29724267/demographic-clinical-and-laboratory-features-of-leptospirosis-and-dengue-co-infection-in-malaysia
#3
Munirah Hishamshah, Norazah Ahmad, Hishamshah Mohd Ibrahim, Nurul Atiqah Nur Halim, Salbiah Nawi, Fairuz Amran
PURPOSE: In this study, we aim to describe and compare the demographical, clinical and laboratory features of leptospirosis and dengue co-infections (LDCI) against single leptospirosis infections in Malaysia. METHODOLOGY: Data of patients admitted to various hospitals in Malaysia from 2011 to 2015 diagnosed with leptospirosis in our laboratory were obtained from their admission records. Co-infection with dengue was determined by collecting dengue serology results...
May 4, 2018: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/29689060/the-changing-epidemiological-pattern-of-dengue-in-swat-khyber-pakhtunkhwa
#4
Jehangir Khan, Abdul Ghaffar, Shujaat Ali Khan
BACKGROUND: Pakistan is suffering from dengue fever since 1994. In the country, major dengue outbreaks have been documented in 2010, 2011 and 2013 in Punjab (Lahore) and Sindh (Karachi) Provinces. District Swat was hit for the first time by dengue virus in 2013, claiming 57 deaths and 8000 morbidities. The molecular and entomological aspects along with the ecological and social context of the dengue outbreaks were investigated in this study. METHOD: In addition to entomological survey, the data collected from patients' files (Saidu Sharif Teaching Hospital, Swat) and by directly questioning the patients (field data) was analyzed for epidemiological trends, molecular identification (RT-PCR based serotyping of DENV), clinical profile, socioeconomic status (SES) and demographic features...
2018: PloS One
https://www.readbyqxmd.com/read/29672709/surveillance-of-travel-associated-diseases-at-two-referral-centres-in-marseille-france-a-12-year-survey
#5
Karolina M Griffiths, Hélène Savini, Philippe Brouqui, Fabrice Simon, Philippe Parola, Philippe Gautret
Background: With increasing international travel and historically high numbers of residents visiting friends and relatives overseas, travel-associated illnesses are frequent in Marseille, France. We report the changing epidemiology of travel-related illnesses over a 12-year period. Methods: A single site GeoSentinel surveillance analysis was undertaken for 3460 ill returned travellers presenting to two public hospitals in Marseille, France from March 2003 to October 2015, with travel-related illnesses...
January 1, 2018: Journal of Travel Medicine
https://www.readbyqxmd.com/read/29601580/pyrethroid-resistance-persists-after-ten-years-without-usage-against-aedes-aegypti-in-governmental-campaigns-lessons-from-s%C3%A3-o-paulo-state-brazil
#6
Maria de Lourdes Macoris, Ademir Jesus Martins, Maria Teresa Macoris Andrighetti, José Bento Pereira Lima, Denise Valle
BACKGROUND: Aedes aegypti, vector of dengue, chikungunya and Zika viruses, is found at high densities in tropical urban areas. The dissemination of this vector is partially the consequence of failures in current vector control methods, still mainly relying upon insecticides. In the State of São Paulo (SP), Brazil, public health managers employed pyrethroids against Ae. aegypti adults from 1989 to 2000, when a robust insecticide resistance monitoring system detected resistance to pyrethroids in several Ae...
March 30, 2018: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29544456/dengue-epidemic-typology-and-risk-factors-for-extensive-epidemic-in-amazonas-state-brazil-2010-2011
#7
Daniel Barros de Castro, Vanderson Souza Sampaio, Bernardino Cláudio de Albuquerque, Rosemary Costa Pinto, Megumi Sadahiro, Ricardo Augusto Dos Passos, Cristiano Fernandes da Costa, José Ueleres Braga
BACKGROUND: Dengue is the most prevalent arboviral disease affecting humans. The frequency and magnitude of dengue epidemic have significantly increased over recent decades. This study aimed to identify dengue epidemic types and risk factors for the extensive epidemics that occurred in 2010-2011, across the municipalities of Amazonas state, Brazil. METHODS: Using an ecological approach, secondary data were obtained from the dengue fever surveillance system. Epidemic waves were classified according to three indices: duration, intensity, and coverage...
March 15, 2018: BMC Public Health
https://www.readbyqxmd.com/read/29534105/dengue-virus-in-aedes-aegypti-and-aedes-albopictus-in-urban-areas-in-the-state-of-rio-grande-do-norte-brazil-importance-of-virological-and-entomological-surveillance
#8
Arlinete S Medeiros, Diego M P Costa, Mário S D Branco, Daíse M C Sousa, Joelma D Monteiro, Sílvio P M Galvão, Paulo Roberto M Azevedo, José V Fernandes, Selma M B Jeronimo, Josélio M G Araújo
BACKGROUND: Vector control remains the sole effective method to prevent dengue virus (DENV) transmission, although a vaccine for dengue has recently become available and testing of its efficacy and coverage is being performed in multiple places. Entomological surveillance is a key factor in alerting authorities to possible outbreaks, but until now natural DENV infection of mosquito populations has been scarcely used as an early warning system to monitor fluctuating prevalence of infected mosquitoes...
2018: PloS One
https://www.readbyqxmd.com/read/29511459/neutralizing-antibodies-against-flaviviruses-babanki-virus-and-rift-valley-fever-virus-in-ugandan-bats
#9
Rebekah C Kading, Robert M Kityo, Eric C Mossel, Erin M Borland, Teddie Nakayiki, Betty Nalikka, Luke Nyakarahuka, Jeremy P Ledermann, Nicholas A Panella, Amy T Gilbert, Mary B Crabtree, Julian Kerbis Peterhans, Jonathan S Towner, Brian R Amman, Tara K Sealy, Stuart T Nichol, Ann M Powers, Julius J Lutwama, Barry R Miller
Introduction: A number of arboviruses have previously been isolated from naturally-infected East African bats, however the role of bats in arbovirus maintenance is poorly understood. The aim of this study was to investigate the exposure history of Ugandan bats to a panel of arboviruses. Materials and methods: Insectivorous and fruit bats were captured from multiple locations throughout Uganda during 2009 and 2011-2013. All serum samples were tested for neutralizing antibodies against West Nile virus (WNV), yellow fever virus (YFV), dengue 2 virus (DENV-2), Zika virus (ZIKV), Babanki virus (BBKV), and Rift Valley fever virus (RVFV) by plaque reduction neutralization test (PRNT)...
2018: Infection Ecology & Epidemiology
https://www.readbyqxmd.com/read/29471786/dengue-score-as-a-diagnostic-predictor-for-pleural-effusion-and-or-ascites-external-validation-and-clinical-application
#10
Suhendro Suwarto, Mohammad Jauharsyah Hidayat, Bing Widjaya
BACKGROUND: The Dengue Score is a model for predicting pleural effusion and/or ascites and uses the hematocrit (Hct), albumin concentration, platelet count and aspartate aminotransferase (AST) ratio as independent variables. As this metric has not been validated, we conducted a study to validate the Dengue Score and assess its clinical application. METHODS: A retrospective study was performed at a private hospital in Jakarta, Indonesia. Patients with dengue infection hospitalized from January 2011 through March 2016 were included...
February 23, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29451615/entomological-and-epidemiological-aspects-of-dengue-epidemics-in-fortaleza-cear%C3%A3-brazil-2001-2012
#11
Rhaquel de Morais Alves Barbosa Oliveira, Fernanda Montenegro de Carvalho Araújo, Luciano Pamplona de Góes Cavalcanti
OBJECTIVE: to characterize the entomological and epidemiological aspects of dengue epidemics occurred in Fortaleza, Ceará, Brazil, from 2001 to 2012. METHODS: descriptive study with data from the Information System for Notifiable Diseases (Sinan), Information System of Hospitalizations due to Yellow Fever and Dengue (2001-2009), National Program for Dengue Control (2010-2012), and Rapid Survey of Aedes aegypti Infestation Index, referring to the years in which the incidence of dengue was above 75%...
2018: Epidemiologia e Servicos de Saude: Revista do Sistema Unico de Saude do Brasil
https://www.readbyqxmd.com/read/29432489/forecasting-the-spatial-and-seasonal-dynamic-of-aedes-albopictus-oviposition-activity-in-albania-and-balkan-countries
#12
Clément Tisseuil, Enkelejda Velo, Silvia Bino, Perparim Kadriaj, Kujtim Mersini, Ada Shukullari, Artan Simaku, Elton Rogozi, Beniamino Caputo, Els Ducheyne, Alessandra Della Torre, Paul Reiter, Marius Gilbert
The increasing spread of the Asian tiger mosquito, Aedes albopictus, in Europe and US raises public health concern due to the species competence to transmit several exotic human arboviruses, among which dengue, chikungunya and Zika, and urges the development of suitable modeling approach to forecast the spatial and temporal distribution of the mosquito. Here we developed a dynamical species distribution modeling approach forecasting Ae. albopictus eggs abundance at high spatial (0.01 degree WGS84) and temporal (weekly) resolution over 10 Balkan countries, using temperature times series of Modis data products and altitude as input predictors...
February 2018: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29415063/dengue-virus-infection-among-long-term-travelers-from-the-netherlands-a-prospective-study-2008-2011
#13
Femke W Overbosch, Janke Schinkel, Ineke G Stolte, Maria Prins, Gerard J B Sonder
BACKGROUND: Dengue is increasing rapidly in endemic regions. Data on incidence among travelers to these areas are limited. Five prospective studies have been performed thus far, mainly among short-term travelers. OBJECTIVE: To obtain the attack and incidence rate (AR, IR) of dengue virus (DENV) infection among long-term travelers and identify associated risk factors. METHODS: A prospective study was performed among long-term travelers (12-52 weeks) attending the Public Health Service in Amsterdam...
2018: PloS One
https://www.readbyqxmd.com/read/29260658/origin-of-a-high-latitude-population-of-aedes-aegypti-in-washington-dc
#14
Andrea Gloria-Soria, Andrew Lima, Diane D Lovin, Joanne M Cunningham, David W Severson, Jeffrey R Powell
An overwintering population of Aedes aegypti has been documented in the Capitol Hill neighborhood of Washington, DC, since 2011. Mitochondrial cytochrome oxidase I ( mtCOI ) sequence data presented in a previous study traced the origin to the New World. Here, we use microsatellite and 14,071 single nucleotide polymorphisms along with mitochondrial DNA (mtDNA) sequences on Washington Ae. aegypti samples and samples from potential sources to further narrow the origin of this population. Genetically, Washington Ae...
February 2018: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29260651/the-epidemiology-of-imported-acute-infectious-diseases-in-zhejiang-province-china-2011-2016-analysis-of-surveillance-data
#15
Zheyuan Ding, Chen Wu, Haocheng Wu, Qinbao Lu, Junfen Lin
To explore epidemiological characteristics of imported acute infectious diseases between 2011 and 2016 in Zhejiang province, China. Data of imported infectious diseases from 2011 to 2016 was collected from the China Information System for Disease Control and Prevention in Zhejiang province, and subsequently analyzed for epidemiological characteristics. A survey was conducted to investigate clinicians' abilities to diagnose these diseases in Zhejiang province. From 2011 to 2016, 1,241 cases of imported acute infectious disease were reported in Zhejiang province, including 1,078 malaria cases, 156 dengue cases, three chikungunya fever cases and four Zika cases...
March 2018: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29173239/first-phylogenetic-analysis-of-dengue-virus-serotype-4-circulating-in-esp%C3%A3-rito-santo-state-brazil-in-2013-and-2014
#16
C R Vicente, C S Pannuti, P R Urbano, A C Felix, C Cerutti Junior, K-H Herbinger, G Fröschl, C M Romano
The purpose of the present study was to reconstruct the phylogeny of dengue virus serotype 4 (DENV-4) that was circulating in Espírito Santo state, Brazil, in 2013 and 2014, and to discuss the epidemiological implications associated with this evolutionary hypothesis. Partial envelope gene of eight DENV-4 samples from Espírito Santo state were sequenced and aligned with 72 worldwide DENV-4 reference sequences from GenBank. A phylogenetic tree was reconstructed through Bayesian Inference and the Time of the Most Recent Common Ancestor was estimated...
January 2018: Epidemiology and Infection
https://www.readbyqxmd.com/read/29142540/clinical-audit-of-dengue-related-deaths-in-2011-mayo-hospital-lahore-pakistan
#17
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
#18
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...
January 15, 2018: Virus Research
https://www.readbyqxmd.com/read/29118655/the-burden-of-dengue-source-reduction-measures-and-serotype-patterns-in-myanmar-2011-to-2015-r2
#19
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
#20
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
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