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https://www.readbyqxmd.com/read/28069071/sporadic-cases-of-adult-measles-a-research-article
#1
Ranjan Premaratna, Nathasha Luke, Harsha Perera, Mahesh Gunathilake, Pubudu Amarasena, T G A Nilmini Chandrasena
BACKGROUND: Measles caused by a paramyxovirus, characterized by fever, malaise, cough, coryza conjunctivitis, a maculopapular rash is known to result in pneumonia, encephalitis and death. Fatal cases of measles in Sri Lanka are rare after implementation of the National Immunization Programme in 1984. Thereafter 0.1% case fatality rate was observed during October 1999-June 2000 which is a very low figure compared to other regional countries. Immunization guidelines were further revised in 2001, 2011 and in 2012 when additional immunization was recommended to age group 4-21 years; who are likely to have inadequate immunization, in order to achieve elimination of Measles by 2020...
January 10, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28062794/larvicidal-and-growth-inhibitory-activity-of-entomopathogenic-bacteria-culture-fluids-against-aedes-aegypti-diptera-culicidae
#2
João Luiz Rosa da Silva, Fernanda Undurraga Schwalm, Carlos Eugênio Silva, Marisa da Costa, Ralf Heermann, Onilda Santos da Silva
Dengue, Chikungunya, and Zika are important vector-borne diseases, and Aedes aegypti L. is their main transmitter. As the disease management is mainly based on mosquito control strategies, the search for alternative and cost-effective approaches is ongoing. The Gram-negative bacteria Xenorhabdus nematophila and Photorhabdus luminescens are symbiotically associated with entomopathogenic nematodes and are highly pathogenic for insect larvae. After we have recently confirmed the toxicity of these bacteria in Ae...
January 6, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28061906/bilateral-rectus-sheath-haematoma-complicating-dengue-virus-infection-in-a-patient-on-warfarin-for-mechanical-aortic-valve-replacement-a-case-report
#3
Chamith Thushanga Rosa, Mitrakrishnan Rayno Navinan, Sincy Samarawickrama, Himam Hamza, Maheshika Gunarathne, Arulprashanth Arulanantham, Neeha Subba, Udari Samarasiri, Thushara Mathias, Aruna Kulatunga
BACKGROUND: The management of Dengue virus infection can be challenging. Varied presentations and numerous complications intrinsic to dengue by itself increase the complexity of treatment and potential mortality. When burdened with the presence of additional comorbidities and the need to continue compulsory medications, clear stepwise definitive guidance is lacking and patients tend to have more complex complications and outcomes calling to question the clinical decisions that may have been taken...
January 7, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28049485/the-dangers-of-accepting-a-single-diagnosis-case-report-of-concurrent-plasmodium-knowlesi-malaria-and-dengue-infection
#4
Soon Eu Chong, Rhendra Hardy Mohamad Zaini, Siti Suraiya, Kok Tong Lee, Jo Anne Lim
BACKGROUND: Dengue and malaria are two common, mosquito-borne infections, which may lead to mortality if not managed properly. Concurrent infections of dengue and malaria are rare due to the different habitats of its vectors and activities of different carrier mosquitoes. The first case reported was in 2005. Since then, several concurrent infections have been reported between the dengue virus (DENV) and the malaria protozoans, Plasmodium falciparum and Plasmodium vivax. Symptoms of each infection may be masked by a simultaneous second infection, resulting in late treatment and severe complications...
January 3, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28045096/diabetes-cardiac-disorders-and-asthma-as-risk-factors-for-severe-organ-involvement-among-adult-dengue-patients-a-matched-case-control-study
#5
Junxiong Pang, Jung Pu Hsu, Tsin Wen Yeo, Yee Sin Leo, David C Lye
Progression to severe organ involvement due to dengue infection has been associated with severe dengue disease, intensive care treatment, and mortality. However, there is a lack of understanding of the impact of pre-existing comorbidities and other risk factors of severe organ involvement among dengue adults. The aim of this retrospective case-control study is to characterize and identify risk factors that predispose dengue adults at risk of progression with severe organ involvement. This study involved 174 dengue patients who had progressed with severe organ involvement and 865 dengue patients without severe organ involvement, matched by the year of presentation of the cases, who were admitted to Tan Tock Seng Hospital between year 2005 and 2008...
January 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28042883/utility-of-dengue-ns1-antigen-rapid-diagnostic-test-for-use-in-difficult-to-reach-areas-and-its-comparison-with-dengue-ns1-elisa-and-qrt-pcr
#6
Mohan K Shukla, Neeru Singh, Ravendra K Sharma, Pradip V Barde
The objective of this study was to demonstrate the utility of dengue virus (DENV) non structural protein 1 (NS1) based rapid diagnostic test (RDT) for use in tribal and difficult to reach areas for early dengue (DEN) diagnosis in acute phase patients and evaluate its sensitivity and specificity against DENV NS1 enzyme linked immune sorbent assay (ELISA) and real time reverse transcriptase polymerase chain reaction (qRT-PCR) The DENV NS1 RDT was used for preliminary diagnosis during outbreaks in difficult to reach rural and tribal areas...
January 2, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28040554/proteinuria-during-dengue-fever-in-children
#7
Anne-Claire Andries, Veasna Duong, Julien Cappelle, Sivuth Ong, Alexandra Kerleguer, Sowath Ly, Arnaud Tarantola, Paul F Horwood, Anavaj Sakuntabhai, Philippe Dussart, Philippe Buchy
OBJECTIVES: This study aimed to investigate proteinuria occurring during dengue disease in children and assess if measurement of this parameter can help physicians in the clinical management of patients. METHODS: Proteinuria was assessed by dipstick and quantified by urine protein:creatinine ratio (UPCR) in samples from patients hospitalized with a confirmed dengue infection and in healthy controls. RESULTS: The dipstick tested positive in 42...
December 28, 2016: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28034883/an-evidence-based-algorithm-for-early-prognosis-of-severe-dengue-in-the-outpatient-setting
#8
Minh Tuan Nguyen, Thi Nhan Ho, Van Vinh Chau Nguyen, Thanh Hung Nguyen, Manh Tuan Ha, Van Tram Ta, Le Da Ha Nguyen, Loi Phan, Khoi Quang Han, Thi Hue Kien Duong, Nguyen Bich Chau Tran, Wills Bridget, Marcel Wolbers, Cameron P Simmons
BACKGROUND: Early prediction of severe dengue could significantly assist patient triage and case management METHODS: We prospectively investigated 7563 children with ≤3 days of fever recruited in the outpatient departments of six hospitals in southern Vietnam between 2010 and 2013. The primary endpoint of interest was severe dengue (2009 WHO Guidelines) and pre-defined risk variables were collected at the time of enrolment to enable prognostic model development. RESULTS: The analysis population comprised 7544 patients, of whom 2060 (27...
December 28, 2016: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28034555/impact-of-dengue-virus-serotype-denv-2-infection-on-liver-of-balb-c-mice-a-histopathological-analysis
#9
S Sakinah, Sivan Padma Priya, Sharmilah Kumari, Fatin Amira, Poorani K, Hiba Alsaeedy, Mok Pooi Ling, Hui-Yee Chee, Akon Higuchi, Abdullah A Alarfaj, Murugan A Munusamy, Kadarkarai Murugan, Che Norma Mat Taib, Palanisamy Arulselvan, Mariappan Rajan, Vasantha Kumari Neela, Rukman Awang Hamat, Giovanni Benelli, S Suresh Kumar
In this research, we characterized the histopathological impact of dengue virus (serotype DENV-2) infection in livers of BALB/c mice. The mice were infected with different doses of DENV-2 via intraperitoneal injection and liver tissues were processed for histological analyses and variation was documented. In the BALB/c mouse model, typical liver tissues showed regular hepatocyte architecture, with normal endothelial cells surrounding sinusoid capillary. Based on histopathological observations, the liver sections of BALB/c mice infected by DENV-2 exhibited a loss of cell integrity, with a widening of the sinusoidal spaces...
November 23, 2016: Tissue & Cell
https://www.readbyqxmd.com/read/28033379/targeting-a-hidden-enemy-pyriproxyfen-autodissemination-strategy-for-the-control-of-the-container-mosquito-aedes-albopictus-in-cryptic-habitats
#10
Kshitij Chandel, Devi Shankar Suman, Yi Wang, Isik Unlu, Eric Williges, Gregory M Williams, Randy Gaugler
BACKGROUND: The Asian tiger mosquito, Aedes albopictus, is a vector of dengue, Chikungunya, and Zika viruses. This mosquito inhabits a wide range of artificial water-holding containers in urban and suburban areas making it difficult to control. We tested the hypothesis that female-driven autodissemination of an insect growth regulator could penetrate cryptic oviposition habitats difficult to treat with conventional insecticidal sprays. METHODOLOGY: Oviposition preferences of Ae...
December 2016: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28024241/what-caused-the-2012-dengue-outbreak-in-pucallpa-peru-a%C3%A2-socio-ecological-autopsy
#11
Margot Charette, Lea Berrang-Ford, Elmer Alejandro Llanos-Cuentas, César Cárcamo, Manisha Kulkarni
Dengue is highly endemic in Peru, with increases in transmission particularly since vector re-infestation of the country in the 1980s. Pucallpa, the second largest city in the Peruvian Amazon, experienced a large outbreak in 2012 that caused more than 10,000 cases and 13 deaths. To date, there has been limited research on dengue in the Peruvian Amazon outside of Iquitos, and no published review or critical analysis of the 2012 Pucallpa dengue outbreak. This study describes the incidence, surveillance, and control of dengue in Ucayali to understand the factors that contributed to the 2012 Pucallpa outbreak...
December 8, 2016: Social Science & Medicine
https://www.readbyqxmd.com/read/28011974/hospital-management-in-patients-with-dengue-what-challenges-do-we-face-in-latin-america
#12
Junior Smith Torres-Roman, Cristian Díaz-Vélez, Janina Bazalar-Palacios, Luis Miguel Helguero-Santin
Not available.
1, 2016: Le Infezioni in Medicina
https://www.readbyqxmd.com/read/28009103/experts-perceptions-on-china-s-capacity-to-manage-emerging-and-re-emerging-zoonotic-diseases-in-an-era-of-climate-change
#13
A Hansen, J Xiang, Q Liu, M X Tong, Y Sun, X Liu, K Chen, S Cameron, S Hanson-Easey, G-S Han, P Weinstein, C Williams, P Bi
Zoonotic diseases transmitted by arthropods and rodents are a major public health concern in China. However, interventions in recent decades have helped lower the incidence of several diseases despite the country's large, frequently mobile population and socio-economic challenges. Increasing globalization, rapid urbanization and a warming climate now add to the complexity of disease control and prevention and could challenge China's capacity to respond to threats of emerging and re-emerging zoonoses. To investigate this notion, face-to-face interviews were conducted with 30 infectious disease experts in four cities in China...
December 23, 2016: Zoonoses and Public Health
https://www.readbyqxmd.com/read/28004604/issues-in-contemporary-and-potential-future-molecular-diagnostics-for-dengue
#14
Shamala Devi Sekaran, Hui Jen Soe
Dengue has been the most common arbovirus infection worldwide with 2.5 billion people living in over 100 endemic tropical and subtropical regions. Due to the high number of asymptomatic cases and the signs and symptoms being rather unspecific, dengue cases are often under-reported and might influence dengue surveillance programs. Therefore, a rapid, easy to use, inexpensive, and highly sensitive and specific diagnostic tool is essential for early and accurate diagnosis to ease the clinical management of patients as well as for the development of new interventions...
December 30, 2016: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/27998318/management-of-severe-dengue-hemorrhagic-fever-and-bleeding-complications-in-a-primigravida%C3%A2-patient-a-case-report
#15
Hori Hariyanto, Corry Quando Yahya, Primartanto Wibowo, Oloan E Tampubolon
BACKGROUND: The incidence of dengue hemorrhagic fever is increasing among the adult population living in endemic areas. The disease carries a 0.73% fatality rate for the general population, but what happens when the disease strikes a special subpopulation group, the obstetrics? Perhaps the important question specific to this special subpopulation revolves around the right time and mode of delivery under severe coagulopathy and plasma leakage in conditions of imminent delivery. CASE PRESENTATION: A 24-year-old primigravid Sundanese woman presented to our intensive care unit due to acute pulmonary edema secondary to massive plasma leakage caused by severe dengue...
December 20, 2016: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/27973402/the-influence-of-urbanization-modes-on-the-spatial-circulation-of-flaviviruses-within-ouagadougou-burkina-faso
#16
Florence Fournet, Stéphane Rican, Zoé Vaillant, Anna Roudot, Aude Meunier-Nikiema, Daouda Kassié, Roch K Dabiré, Gérard Salem
Dengue is an emerging infectious disease of global significance. Although this virus has been reported for a long time, its significance within the burden of diseases in West Africa is not obvious, especially in Burkina Faso. Our objective was to evaluate flavivirus presence in Ouagadougou (Burkina Faso) and the link between anti-flavivirus antibody seroprevalence and urbanization modes. A population-based cross-sectional survey was conducted and 3015 children were enrolled from Ouagadougou districts with different types and degrees of urbanization (with/without equipment and high/low building density)...
December 10, 2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/27930336/resistance-mutation-conserved-between-insects-and-mites-unravels-the-benzoylurea-insecticide-mode-of-action-on-chitin-biosynthesis
#17
Vassilis Douris, Denise Steinbach, Rafaela Panteleri, Ioannis Livadaras, John Anthony Pickett, Thomas Van Leeuwen, Ralf Nauen, John Vontas
Despite the major role of chitin biosynthesis inhibitors such as benzoylureas (BPUs) in the control of pests in agricultural and public health for almost four decades, their molecular mode of action (MoA) has in most cases remained elusive. BPUs interfere with chitin biosynthesis and were thought to interact with sulfonylurea receptors that mediate chitin vesicle transport. Here, we uncover a mutation (I1042M) in the chitin synthase 1 (CHS1) gene of BPU-resistant Plutella xylostella at the same position as the I1017F mutation reported in spider mites that confers etoxazole resistance...
December 20, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27924792/a-cost-effective-approach-to-the-diagnosis-and-management-of-acute-infectious-encephalitis
#18
Usha Kant Misra, Vinita Elizabeth Mani, Jayantee Kalita
SETTING: A tertiary care teaching hospital in India. OBJECTIVE: To report a syndromic approach to acute encephalitis syndrome (AES) and propose a cost-effective model. STUDY DESIGN: AES patients were categorized by the presence or absence of myalgia/rash into systemic and neurological AES. The patients with systemic AES were investigated for dengue, scrub typhus, leptospira, chikungunya, and malaria, and those with neurological AES were investigated for herpes and Japanese encephalitis (JE)...
2017: European Neurology
https://www.readbyqxmd.com/read/27917305/laboratory-diagnosis-for-outbreak-prone-infectious-diseases-after-typhoon-yolanda-haiyan-philippines
#19
Mariko Saito-Obata, Mayuko Saito, Titus C Tan, Inez Andrea P Medado, Clyde Dapat, Michiko Okamoto, Raita Tamaki, Rowena C Capistrano, Edelwisa Segubre-Mercado, Socorro P Lupisan, Hitoshi Oshitani
Typhoon Yolanda (Haiyan) hit the central part of the Philippines on November 8, 2013. To identify possible outbreaks of communicable diseases after the typhoon, nasopharyngeal swabs, stool and blood samples were collected from patients who visited the Eastern Visayas Regional Medical Center due to acute respiratory infection (ARI), acute gastroenteritis (AGE) or other febrile illness (OFI) including suspected dengue fever, between November 28, 2013 and February 5, 2014.   Methods: Samples were tested on-site for selected pathogens using rapid diagnostic tests...
October 21, 2016: PLoS Currents
https://www.readbyqxmd.com/read/27905629/-reasons-to-recommend-vaccination-against-dengue-in-easter-island-immunization-advisory-committee-of-sociedad-chilena-de-infectolog%C3%A3-a
#20
Alberto Fica, Marcela Potin, Gabriela Moreno, Liliana Véliz, Jaime Cerda, Carola Escobar, Jan Wilhelm
Dengue was first diagnosed on Easter Island on year 2002 and thereafter recurrent outbreaks have occurred involving different serotypes of dengue virus. Its vector, Aedes aegypti has not been eliminated despite the small size of the island. Conditions at the local hospital preclude adequate management of severe and hemorrhagic cases due to the absence of a Critical Care Unit as well as no availability of platelets, or plasma units for transfusion. Besides, transfer, of severely affected patients to continental Chile is cumbersome, slow and expensive...
August 2016: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
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