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dengue 2011

Kay M Tomashek, Aidsa Rivera, Brenda Torres-Velasquez, Elizabeth A Hunsperger, Jorge L Munoz-Jordan, Tyler M Sharp, Irma Rivera, Dario Sanabria, Dianna M Blau, Renee Galloway, Jose Torres, Rosa Rodriguez, Javier Serrano, Carlos Chávez, Francisco Dávila, Janice Perez-Padilla, Esther M Ellis, Gladys Caballero, Laura Wright, Sherif R Zaki, Carmen Deseda, Edda Rodriguez, Harold S Margolis
BACKGROUND: Dengue is a leading cause of morbidity throughout the tropics; however, accurate population-based estimates of mortality rates are not available. METHODS/PRINCIPAL FINDINGS: We established the Enhanced Fatal Acute Febrile Illness Surveillance System (EFASS) to estimate dengue mortality rates in Puerto Rico. Healthcare professionals submitted serum and tissue specimens from patients who died from a dengue-like acute febrile illness, and death certificates were reviewed to identify additional cases...
October 2016: PLoS Neglected Tropical Diseases
Philippe Cavailler, Arnaud Tarantola, Yee Sin Leo, Andrew A Lover, Anne Rachline, Moniboth Duch, Rekol Huy, Ai Li Quake, Yuvatha Kdan, Veasna Duong, Jeremy L Brett, Philippe Buchy
BACKGROUND: Dengue is endemic throughout Cambodia, a country faced with significant health and economic challenges. We undertook a clinical study at the National Paediatric Hospital in Phnom Penh to evaluate clinical diagnostic parameters for dengue and predictors of disease outcome. METHODS: Between September 2011 and January 2013, all consecutive inpatients aged between 1 and 15 years and presenting with suspected dengue were enrolled. They were clinically assessed using both the 1997 and 2009 WHO dengue classifications...
2016: BMC Infectious Diseases
To Setha, Ngan Chantha, Seleena Benjamin, Doung Socheat
A multi-phased study was conducted in Cambodia from 2005-2011 to measure the impact of larviciding with the bacterial larvicide, Bacillus thuringiensis israelensis (Bti), a water dispersible granule (WG) formulation on the vector, Aedes aegypti (L.) and the epidemiology. In our studies, all in-use containers were treated at 8 g/1000 L, including smaller containers and animal feeders which were found to contribute 23% of Ae aegypti pupae. The treated waters were subjected to routine water exchange activities...
September 2016: PLoS Neglected Tropical Diseases
Fernando Rosso, Sara Vanegas, Sarita Rodríguez, Robinson Pacheco
INTRODUCTION: Little is known about the prevalence and clinical course of dengue infection in elderly patients living in endemic areas; it is presumed that there is a lower prevalence but higher severity, complications and mortality.  OBJECTIVE: To describe the prevalence and clinical course of dengue infection in elderly patients who were admitted to a referral care center for infectious diseases in an endemic region.  MATERIALS AND METHODS: We conducted an observational and descriptive study between 2011 and 2014, using a cohort of elderly patients with serological diagnosis of dengue...
2016: Biomédica: Revista del Instituto Nacional de Salud
Nazish Bostan, Sundus Javed, Nabgha-E-Amen, Syed Ali Musstjab Akber Shah Eqani, Faheem Tahir, Habib Bokhari
Dengue fever is regarded as one of the most prominent emerging arboviral infections in Pakistan since its first epidemic almost 2 decades ago. Interplay between potential vectors, susceptible host, and lax environmental conditions may promote the infection, leading to an epidemic. These factors may indeed have played a major role in the spread of the disease in the country, which was limited to Karachi till 2006. With recent natural disasters such as the earthquake in 2005 and flooding in 2010, 2011 and 2012, numbers of vector-borne diseases and outbreaks including dengue fever are on the rise in Pakistan...
September 6, 2016: Reviews in Medical Virology
Haogao Gu, Ross Ka-Kit Leung, Qinlong Jing, Wangjian Zhang, Zhicong Yang, Jiahai Lu, Yuantao Hao, Dingmei Zhang
Dengue fever (DF) is endemic in Guangzhou and has been circulating for decades, causing significant economic loss. DF prevention mainly relies on mosquito control and change in lifestyle. However, alert fatigue may partially limit the success of these countermeasures. This study investigated the delayed effect of meteorological factors, as well as the relationships between five climatic variables and the risk for DF by boosted regression trees (BRT) over the period of 2005-2011, to determine the best timing and strategy for adapting such preventive measures...
2016: International Journal of Environmental Research and Public Health
Jutarat Rakprasit, Keiko Nakamura, Kaoruko Seino, Ayako Morita
This study examines healthcare use in 2011 for communicable diseases among migrant workers compared with Thai workers in Thailand. The relative risks (RRs) of 14 communicable diseases (803,817 cases between ages 18 and 59) were calculated using the National Epidemiological Surveillance System, a nationwide hospital database. Regarding the migrant workers, 71.0% were Burmese and 17.3% were Cambodians. Significantly high comparative RRs for migrant workers were found for tuberculosis (TB) (male, RR=1.41; female, RR=2...
August 29, 2016: Industrial Health
N D B Ehelepola, Kusalika Ariyaratne
BACKGROUND: Meteorological factors affect dengue transmission. Mechanisms of the way in which different diurnal temperatures, ranging around different mean temperatures, influence dengue transmission were published after 2011. OBJECTIVE: We endeavored to determine the correlation between dengue incidence and diurnal temperature ranges (DTRs) in Colombo district, Sri Lanka, and to explore the possibilities of using our findings to improve control of dengue. DESIGN: We calculated the weekly dengue incidence in Colombo during 2005-2014, after data on all of the reported dengue patients and estimated mid-year populations were collected...
2016: Global Health Action
Amjad Ali, Habib Ahmad, Muhammad Idrees, Fazli Zahir, Ijaz Ali
BACKGROUND: Dengue virus is circulating in Pakistan since 1994, which causes major and minor outbreaks in many areas of the country. The incidence of dengue in Pakistan in past years mainly restricted to parts of Sindh and Punjab provinces. As such, a severe dengue outbreak appeared in Pakistan in 2011, particularly in Punjab province with Lahore as the most hit city (290 deaths). In 2013, for the first time in the history of Pakistan, dengue outbreak erupted in Swat District, Khyber Pakhtunkhwa, which claimed more than 57 lives...
2016: Virology Journal
George S Han, Christopher J Gregory, Brad J Biggerstaff, Kalanthe Horiuchi, Carmen Perez-Guerra, Eunice Soto-Gomez, Desiree Matos, Harold S Margolis, Kay M Tomashek
BACKGROUND:  Prior to 2010, the clinical management of dengue in Puerto Rico was inconsistent with World Health Organization guidelines. A 4-hour classroom-style course on dengue clinical management was developed in 2009 and mandated for Puerto Rico medical licensure in 2010. Fifty physicians were trained as "master trainers" and gave this course to 7638 physicians. This study evaluated the effect of the course on the clinical management of hospitalized dengue patients. METHODS:  Pre- and post-course test responses were compared...
August 8, 2016: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
Leigh R Bowman, Gustavo S Tejeda, Giovanini E Coelho, Lokman H Sulaiman, Balvinder S Gill, Philip J McCall, Piero L Olliaro, Silvia R Ranzinger, Luong C Quang, Ronald S Ramm, Axel Kroeger, Max G Petzold
BACKGROUND: Worldwide, dengue is an unrelenting economic and health burden. Dengue outbreaks have become increasingly common, which place great strain on health infrastructure and services. Early warning models could allow health systems and vector control programmes to respond more cost-effectively and efficiently. METHODOLOGY/PRINCIPAL FINDINGS: The Shewhart method and Endemic Channel were used to identify alarm variables that may predict dengue outbreaks. Five country datasets were compiled by epidemiological week over the years 2007-2013...
2016: PloS One
Suriya Plernsub, Jassada Saingamsook, Jintana Yanola, Nongkran Lumjuan, Pongsri Tippawangkosol, Catherine Walton, Pradya Somboon
In Thailand, control of dengue outbreaks is currently attained by the use of space sprays, particularly thermal fogging using pyrethroids, with the aim of killing infected Aedes mosquito vectors in epidemic areas. However, the principal dengue vector, Aedes aegypti, is resistant to pyrethroids conferred mainly by mutations in the voltage-gated sodium channel gene, F1534C and V1016G, termed knockdown resistance (kdr). The objectives of this study were to determine the temporal frequencies of F1534C and V1016G in Ae...
October 2016: Acta Tropica
Erwan Le Gonidec, Marianne Maquart, Sandrine Duron, Hélène Savini, Geraldine Cazajous, Pierre-Olivier Vidal, Marie-Caroline Chenilleau, Jean-Baptiste Roseau, Alain Benois, Céline Dehan, Jeffrey Kugelman, Isabelle Leparc-Goffart, Serge Védy
Dengue virus is endemic globally, throughout tropical and sub-tropical regions. While the number of epidemics due to the four DENV serotypes is pronounced in East Africa, the total number of cases reported in Africa (16 million infections) remained at low levels compared to Asia (70 million infections). The French Armed forces Health Service provides epidemiological surveillance support in the Republic of Djibouti through the Bouffard Military hospital. Between 2011 and 2014, clinical and biological data of suspected dengue syndromes were collected at the Bouffard Military hospital and analyzed to improve Dengue clinical diagnosis and evaluate its circulation in East Africa...
June 2016: PLoS Neglected Tropical Diseases
Catherine S Todd, Ghulam Farooq Mansoor, Cyril Buhler, Habiburrahman Rahimi, Rohullah Zekria, Stefan Fernandez, Amy F W Mikhail, Paul T Scott, Samuel L Yingst
OBJECTIVE: To measure prevalence of prior/current Plasmodium vivax and Plasmodium falciparum (PV and PF), Brucella spp. (BR), dengue virus (DENV), Leishmania donovani (visceral leishmaniasis; VL), and Crimean-Congo hemorrhagic fever (CCHF) virus exposure among Afghan National Army (ANA) recruits. METHODS: Randomly chosen, nationally representative serum samples from consenting men aged 18-40 years and who were screened between February 2010 and January 2011 were tested, with ∼25 samples/province...
August 2016: Vector Borne and Zoonotic Diseases
Tiphanie Succo, Isabelle Leparc-Goffart, Jean-Baptiste Ferré, David Roiz, Béatrice Broche, Marianne Maquart, Harold Noel, Olivier Catelinois, Farhad Entezam, Didier Caire, Frédéric Jourdain, Isabelle Esteve-Moussion, Amandine Cochet, Christophe Paupy, Cyril Rousseau, Marie-Claire Paty, Franck Golliot
In August and September 2015, seven locally acquired cases of dengue virus type 1 (DENV-1) were detected in Nîmes, south of France, where Aedes albopictus has been established since 2011. Epidemiological and entomological investigations allowed to steer vector control measures to contain transmission. An imported case from French Polynesia with onset fever on 4 July was identified as primary case. This outbreak occurred from 8 August to 11 September in a 300 m radius area. Six sprayings to control mosquitos were performed in the affected area...
May 26, 2016: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
Sriram Pothapregada, Banupriya Kamalakannan, Mahalakshmy Thulasingam, Srinivasan Sampath
INTRODUCTION: Dengue fever is a major public health problem worldwide. The 2011 revised World Health Organization (WHO) guidelines have emphasized on early diagnosis and intervention to reduce the case fatality rate due to dengue fever. Rapid diagnostic tests like NS1 antigen assays have improved the detection of cases in early clinical phase of illness but its role as a predictor of severe dengue infection is not very clear. AIM: To evaluate the utility of NS1 Ag assay as an early diagnostic marker and predictor of severe dengue infection...
April 2016: Journal of Clinical and Diagnostic Research: JCDR
Ashwini Manoor Anand, Sujatha Sistla, Rahul Dhodapkar, Abdoul Hamide, Niranjan Biswal, Badrinath Srinivasan
INTRODUCTION: Dengue is a mosquito-borne disease affecting mainly tropical and subtropical regions of the world. The early diagnosis of dengue is required for identifying an epidemic and also for implementing effective vector control measures. AIM: To evaluate NS1 antigen assay as an alternative to RT-PCR for the early diagnosis of Dengue. MATERIALS AND METHODS: A comparative study was conducted to evaluate NS1 antigen assay in clinically suspected dengue cases admitted to JIPMER hospital from January to November 2011...
April 2016: Journal of Clinical and Diagnostic Research: JCDR
Mateus Chediak, Fabiano G Pimenta, Giovanini E Coelho, Ima A Braga, José Bento P Lima, Karina Ribeiro Lj Cavalcante, Lindemberg C de Sousa, Maria Alice V de Melo-Santos, Maria de Lourdes da G Macoris, Ana Paula de Araújo, Constância Flávia J Ayres, Maria Teresa M Andrighetti, Ricristhi Gonçalves de A Gomes, Kauara B Campos, Raul Narciso C Guedes
The organophosphate temephos has been the main insecticide used against larvae of the dengue and yellow fever mosquito (Aedes aegypti) in Brazil since the mid-1980s. Reports of resistance date back to 1995; however, no systematic reports of widespread temephos resistance have occurred to date. As resistance investigation is paramount for strategic decision-making by health officials, our objective here was to investigate the spatial and temporal spread of temephos resistance in Ae. aegypti in Brazil for the last 12 years using discriminating temephos concentrations and the bioassay protocols of the World Health Organization...
May 2016: Memórias do Instituto Oswaldo Cruz
Eric S Halsey, G Christian Baldeviano, Kimberly A Edgel, Stalin Vilcarromero, Moises Sihuincha, Andres G Lescano
BACKGROUND: Malaria and dengue are two of the most common vector-borne diseases in the world, but co-infection is rarely described, and immunologic comparisons of co-infection with mono-infection are lacking. METHODOLOGY AND PRINCIPAL FINDINGS: We collected symptom histories and blood specimens from subjects in a febrile illness surveillance study conducted in Iquitos and Puerto Maldonado, Peru, between 2002-2011. Nineteen symptoms and 18 immune markers at presentation were compared among those with co-infection with Plasmodium/dengue virus (DENV), Plasmodium mono-infection, and DENV mono-infection...
April 2016: PLoS Neglected Tropical Diseases
Aline Guio Cavaca, Tatiana Breder Emerich, Paulo Roberto Vasconcellos-Silva, Edson Theodoro dos Santos-Neto, Adauto Emmerich Oliveira
BACKGROUND: The aims of the present study were to identify and analyse the Diseases Neglected by the Media (DNMs) via a comparison between the most important health issues to the population of Espírito Santo, Brazil, from the epidemiological perspective (health value) and their effective coverage by the print media, and to analyse the DNMs considering the perspective of key journalists involved in the dissemination of health topics in the state media. METHODOLOGY: Morbidity and mortality data were collected from official documents and from Health Information Systems...
April 2016: PLoS Neglected Tropical Diseases
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