Dengue fever numbers soar on La Reunion: WHO

Tens of thousands of people are thought to have caught dengue fever in an unprecedented outbreak of the mosquito-borne disease on the French overseas territory of La Reunion, the World Health Organization said on Tuesday.
Source: Reuters: Health - Category: Consumer Health News Tags: healthNews Source Type: news

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Conclusions/SignificanceRegardless of the assumed number of generations of cases, the combined effect of mosquito control, risk communication, and park closure appeared to be successful in interrupting the chain of dengue transmission in Tokyo.
Source: PLoS Neglected Tropical Diseases - Category: Tropical Medicine Authors: Source Type: research
Source: European Union, European Centre for Disease Prevention and Control (ECDC). Published: 6/18/2019. Following the first update of the risk assessment about the dengue outbreak in R éunion, France, published on July 5, 2018, this 14-page second update has been triggered by the significant size of the outbreak and its expected duration, which is anticipated to overlap with high vector activity in the southern European Union (EU). The likelihood of onward transmission of dengue in the EU and the European Economic Area (EEA) is associated with the probability of importation of the virus by viraemic travelers into ...
Source: Disaster Lit: Resource Guide for Disaster Medicine and Public Health - Category: International Medicine & Public Health Source Type: news
Abstract Population displacement and other forced movement patterns following natural disasters, armed conflicts or due to socioeconomic reasons contribute to the global emergence of Aedes-borne viral disease epidemics. In particular, dengue epidemiology is critically affected by situations of displacement and forced movement patterns, particularly within and across borders. In this respect, waves of human movements have been a major driver for the changing epidemiology and outbreaks of the disease on local, regional and global scales. Both emerging dengue autochthonous transmission and outbreaks in countries know...
Source: Acta Tropica - Category: Infectious Diseases Authors: Tags: Acta Trop Source Type: research
Publication date: Available online 13 June 2019Source: Antiviral ResearchAuthor(s): Anna Dubankova, Evzen BouraAbstractYellow fever virus (YFV) is responsible for devastating outbreaks of Yellow fever (YF) in humans and is associated with high mortality rates. Recent large epidemics and epizootics and exponential increases in the numbers of YF cases in humans and non-human primates highlight the increasing threat YFV poses, despite the availability of an effective YFV vaccine. YFV is the first human virus discovered, but the structures of several of the viral proteins remain poorly understood. Here we report the structure ...
Source: Antiviral Therapy - Category: Virology Source Type: research
by Spencer J. Fox, Steven E. Bellan, T. Alex Perkins, Michael A. Johansson, Lauren Ancel Meyers As emerging and re-emerging infectious arboviruses like dengue, chikungunya, and Zika threaten new populations worldwide, officials scramble to assess local severity and transmissibility, with little to no epidemiological history to draw upon. Indirect estimates of risk from vector habitat suitabi lity maps are prone to great uncertainty, while direct estimates from epidemiological data are only possible after cases accumulate and, given environmental constraints on arbovirus transmission, cannot be widely generalized beyond th...
Source: PLoS Neglected Tropical Diseases - Category: Tropical Medicine Authors: Source Type: research
Publication date: May 2019Source: Advances in Chronic Kidney Disease, Volume 26, Issue 3Author(s): Emmanuel A. BurdmannThe genus Flavivirus comprises approximately 73 viruses, which share several common aspects, such as dimension, structure, nucleic acid properties, and shape in electronic microscopy. Global incidence of flavivirus infection increased dramatically over the last decades, causing large outbreaks in several areas of the world. These viruses are expanding from endemic tropical and subtropical areas to previously nonendemic areas, affecting and causing diseases in millions of individuals worldwide and posing a ...
Source: Advances in Chronic Kidney Disease - Category: Urology & Nephrology Source Type: research
Abstract Yellow fever virus (YFV) is responsible for devastating outbreaks of Yellow fever (YF) in humans and is associated with high mortality rates. Recent large epidemics and epizootics and exponential increases in the numbers of YF cases in humans and non-human primates highlight the increasing threat YFV poses, despite the availability of an effective YFV vaccine. YFV is the first human virus discovered, but the structures of several of the viral proteins remain poorly understood. Here we report the structure of the full-length NS5 protein, a key enzyme for the replication of flaviviruses that contains both a...
Source: Antiviral Research - Category: Virology Authors: Tags: Antiviral Res Source Type: research
ConclusionsIn this paper we discuss the current state of the results and draw on evidences from malaria, dengue and other vector-borne diseases to illustrate the state of current thinking and outline the need for further research to inform our predictions and response.
Source: Infectious Diseases of Poverty - Category: Infectious Diseases Source Type: research
This study shows spatiotemporal variability in IR inAe.aegypti populations in southern coastal Ecuador, and provides an initial examination of IR in this region, helping to guide vector control efforts forAe.aegypti.
Source: PLoS Neglected Tropical Diseases - Category: Tropical Medicine Authors: Source Type: research
rio N, ARBOALVO Network Abstract Aedes spp. are considered the main vectors of dengue (DENV), Zika (ZIKV) and chikungunya (CHIKV) viruses in the world. Arbovirus detection in Aedes mosquitoes can alert authorities to possible outbreaks, reducing the impact of these diseases. The purpose of this study was to perform an operational strategy for virological surveillance of DENV, ZIKV and CHIKV in adult Aedes aegypti and Aedes albopictus mosquitoes captured at different key-sites in an endemic urban area of the Northeast Region of Brazil, with the prospect of discussing its role as part of an alert system for outbreak...
Source: Acta Tropica - Category: Infectious Diseases Authors: Tags: Acta Trop Source Type: research
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