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https://www.readbyqxmd.com/read/28937995/enzootic-mosquito-vector-species-at-equine-encephalitis-transmission-foci-in-the-rep%C3%A3%C2%BAblica-de-panam%C3%A3
#1
Rolando Torres, Rafael Samudio, Jean-Paul Carrera, Josue Young, Ricardo Márquez, Lisbeth Hurtado, Scott Weaver, Luis Fernando Chaves, Robert Tesh, Lorenzo Cáceres
The identification of mosquito vector species present at arboviral enzootic transmission foci is important to understand transmission eco-epidemiology and to propose and implement prevention and control strategies that reduce vector-borne equine encephalitis transmission. The goal of this study was to identify mosquito species potentially involved in the transmission of enzootic equine encephalitis, in relation to their abundance and diversity at three endemic regions in the República de Panamá. We sampled adult mosquitoes during the dry and rainy season of Panamá...
2017: PloS One
https://www.readbyqxmd.com/read/28936226/challenges-in-modeling-complexity-of-neglected-tropical-diseases-a-review-of-dynamics-of-visceral-leishmaniasis-in-resource-limited-settings
#2
REVIEW
Swati DebRoy, Olivia Prosper, Austin Mishoe, Anuj Mubayi
OBJECTIVES: Neglected tropical diseases (NTD), account for a large proportion of the global disease burden, and their control faces several challenges including diminishing human and financial resources for those distressed from such diseases. Visceral leishmaniasis (VL), the second-largest parasitic killer (after malaria) and an NTD affects poor populations and causes considerable cost to the affected individuals. Mathematical models can serve as a critical and cost-effective tool for understanding VL dynamics, however, complex array of socio-economic factors affecting its dynamics need to be identified and appropriately incorporated within a dynamical modeling framework...
2017: Emerging Themes in Epidemiology
https://www.readbyqxmd.com/read/28935556/altitudinal-variation-and-bio-climatic-variables-influencing-the-potential-distribution-of-culicoides-orientalis-macfie-1932-suspected-vector-of-bluetongue-virus-across-the-north-eastern-himalayan-belt-of-sikkim
#3
Emon Mukhopadhyay, Surajit Hazra, Goutam Kumar Saha, Dhriti Banerjee
Culicoides orientalis was first recorded from Sikkim, in the year 1963, but no evidence based disease outbreak were available. In the last 50 years, 260 Bluetongue disease outbreaks caused by Culicoides species have been evidenced from India. Moreover, in recent years with increase of average temperature worldwide and increase in longevity of arthropod vectors like Culicoides along with a geographical range shift to new suitable warmer regions has increased the potentiality of vector borne disease outbreak throughout the world...
September 18, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28930584/metal-and-metalloid-containing-drugs-for-the-treatment-of-trypanosomatid-diseases
#4
Gianni Colotti, Annarita Fiorillo, Andrea Ilari
The trypanosomatid-induced diseases are considered as neglected, because the countries where they kill people are not important markets for western big pharmaceutical companies. However, recently some effort has been made to translate the use of already known drugs to neglected infectious disease. Although many metals are essential to life, many disorders affecting metal homeostasis and bioavailability are responsible for several human diseases. Metals can be toxic even at very low concentrations and semimetals are classified as toxic and dangerous for the environment...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28929098/the-degree-of-one-health-implementation-in-the-west-nile-virus-integrated-surveillance-in-northern-italy-2016
#5
REVIEW
Giulia Paternoster, Laura Tomassone, Marco Tamba, Mario Chiari, Antonio Lavazza, Mauro Piazzi, Anna R Favretto, Giacomo Balduzzi, Alessandra Pautasso, Barbara R Vogler
West Nile virus (WNV) is endemic in the Po valley area, Northern Italy, and within the legal framework of the national plan for the surveillance of human vector-borne diseases, WNV surveillance has over time been implemented. The surveillance plans are based on the transdisciplinary and trans-sectorial collaboration between regional institutions involved in public, animal, and environmental health. This integrated surveillance targets mosquitoes, wild birds, humans, and horses and aims at early detecting the viral circulation and reducing the risk of infection in the human populations...
2017: Frontiers in Public Health
https://www.readbyqxmd.com/read/28927427/first-molecular-detection-and-characterization-of-zoonotic-bartonella-species-in-fleas-infesting-domestic-animals-in-tunisia
#6
Saba Zouari, Fatma Khrouf, Youmna M'ghirbi, Ali Bouattour
BACKGROUND: Bartonellosis is an emerging vector-borne disease caused by different intracellular bacteria of the genus Bartonella (Rhizobiales: Bartonellaceae) that is transmitted primarily by blood-sucking arthropods such as sandflies, ticks and fleas. In Tunisia, there are no data available identifying the vectors of Bartonella spp. In our research, we used molecular methods to detect and characterize Bartonella species circulating in fleas collected from domestic animals in several of the country's bioclimatic areas...
September 19, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28918235/identification-of-bluetongue-virus-serotypes-1-4-and-17-co-infections-in-sheep-flocks-during-outbreaks-in-brazil
#7
Lorena Lima Barbosa Guimarães, Júlio César Câmara Rosa, Ana Carolina Diniz Matos, Raquel Aparecida S Cruz, Maria Isabel Maldonado Coelho Guedes, Fernanda Alves Dorella, Henrique César Pereira Figueiredo, Saulo Petinatti Pavarini, Luciana Sonne, Zélia Inês Portela Lobato, David Driemeier
Bluetongue (BT) is a vector-borne viral disease caused by the Bluetongue virus (BTV), an Orbivirus from the Reoviridae family, affecting domestic and wild ruminants. BTV circulation in Brazil was first reported in 1978, and several serological surveys indicate that the virus is widespread, although with varied prevalence. In 2014, BT outbreaks affected sheep flocks in Rio Grande do Sul state, causing significant mortality (18.4%; 91/495) in BTV-infected sheep. In total, seven farms were monitored, and one or two sheep from each farm that died due to clinical signs of BT were necropsied...
September 5, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28917320/vector-borne-parasitic-infections-in-dogs-in-the-baltic-and-nordic-countries-a-questionnaire-study-to-veterinarians-on-canine-babesiosis-and-infections-with-dirofilaria-immitis-and-dirofilaria-repens
#8
Valentina Tiškina, Pikka Jokelainen
Canine vector-borne diseases have been spreading northwards in Europe, and canine babesiosis and infections with Dirofilaria immitis (heartworm) and Dirofilaria repens have been diagnosed also in the Baltic and the Nordic countries. We used an online questionnaire to survey how large a proportion of veterinarians in the Baltic (Estonia, Latvia, and Lithuania) and the Nordic countries (Denmark, Finland, Iceland, Norway, and Sweden) saw canine babesiosis cases and dogs infected with D. immitis and D. repens in 2016...
September 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28905982/vector-borne-diseases-in-cats-in-germany
#9
Michèle Bergmann, Katrin Hartmann
Vector-borne diseases (VBDs) are caused by a wide range of pathogens, which are transmitted by a variety of vectors, such as ticks and fleas. As a result of climate changes, more vector-borne diseases are becoming endemic in Germany, not only in dogs, but also in cats. For some of the pathogens prevalence data still need to be investigated in Germany. However, natural infections with Bartonella, Anaplasma, haemotropic Mycoplasma and Borrelia species have already been described in German cats. Clinical relevance of these pathogens is not fully understood, and it is still unknown, why most infected cats stay asymptomatic and which predisposing factors contribute to the development of clinical signs in cats...
September 13, 2017: Tierärztliche Praxis. Ausgabe K, Kleintiere/Heimtiere
https://www.readbyqxmd.com/read/28905230/molecular-detection-of-anaplasma-platys-anaplasma-phagocytophilum-and-wolbachia-sp-but-not-ehrlichia-canis-in-croatian-dogs
#10
Doroteja Huber, Irena Reil, Sanja Duvnjak, Daria Jurković, Damir Lukačević, Miroslav Pilat, Ana Beck, Željko Mihaljević, Lea Vojta, Adam Polkinghorne, Relja Beck
The bacteria Anaplasma platys, Anaplasma phagocytophilum and Ehrlichia canis are tick-borne agents that cause canine vector-borne disease. The prevalence of these pathogens in South Eastern Europe is unknown with the exception of an isolated case of A. platys detected in a dog imported into Germany from Croatia. To gain a better insight into their presence and prevalence, PCR-based screening for these bacterial pathogens was performed on domesticated dogs from different regions of Croatia. Blood samples from 1080 apparently healthy dogs from coastal and continental parts of Croatia as well as tissue samples collected from 63 deceased dogs with a history of anaemia and thrombocytopenia were collected for molecular screening by an Anaplasmataceae-specific 16S rRNA conventional PCR...
September 14, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28903890/human-parasitic-diseases-in-bulgaria-2013-2014
#11
Iskra Rainova, Rumen Harizanov, Iskren Kaftandjiev, Nina Tsvetkova, Ognyan Mikov, Eleonora Kaneva
BACKGROUND: In Bulgaria, more than 20 autochthonous human parasitic infections have been described and some of them are widespread. Over 50 imported protozoan and helminthic infections represent diagnostic and therapeutic challenge and pose epidemiological risk due to the possibility of local transmission. AIMS: To establish the distribution of autochthonous and imported parasitic diseases among the population of the country and to evaluate their significance for the public health system...
September 13, 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/28902295/sandfly-fauna-diptera-psychodidae-in-an-urban-area-central-west-of-brazil
#12
Wagner de Souza Fernandes, Leandro Machado Borges, Aline Etelvina Casaril, Everton Falcão de Oliveira, Jucelei de Oliveira Moura Infran, Eliane Mattos Piranda, Elisa Teruya Oshiro, Suellem Petilim Gomes, Alessandra Gutierrez de Oliveira
Biological and ecological relations among vectors and their pathogens are important to understand the epidemiology of vector-borne diseases. Camapuã is an endemic area for visceral and tegumentary leishmaniasis. The aim of this study was to characterize the sandfly fauna present in Camapuã , MS, Brazil. Sand flies were collected every fortnight from May 2014 to April 2015 using automatic light traps in the domicile and peridomicile of twelve neighborhoods and forest. The collected specimens were identified based on morphology according to the valid identification keys...
August 24, 2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/28902274/chikungunya-virus-outbreak-in-sint-maarten-2013-2014
#13
Maria Henry, Lorraine Francis, Virginia Asin, Karen Polson-Edwards, Babatunde Olowokure
This report describes the outbreak of chikungunya virus (CHIKV) in Sint Maarten, a constituent country of Kingdom of the Netherlands comprising the southern part of the Caribbean island of Saint Martin, from 22 December 2013 (first reported case) through 5 December 2014. The outbreak was first reported by the French overseas collectivity of Saint-Martin in the northern part of the island-the first site in the Americas to report autochthonous transmission of CHIKV. By 5 December 2014, Sint Maarten had reported a total of 658 cases-an overall attack rate of 1...
August 21, 2017: Revista Panamericana de Salud Pública, Pan American Journal of Public Health
https://www.readbyqxmd.com/read/28892515/strong-interferon-gamma-mediated-cellular-immunity-to-scrub-typhus-demonstrated-using-a-novel-whole-cell-antigen-elispot-assay-in-rhesus-macaques-and-humans
#14
Manutsanun Sumonwiriya, Daniel H Paris, Piyanate Sunyakumthorn, Tippawan Anantatat, Kemajittra Jenjaroen, Suchintana Chumseng, Rawiwan Im-Erbsin, Ampai Tanganuchitcharnchai, Suthatip Jintaworn, Stuart D Blacksell, Fazle R Chowdhury, Barbara Kronsteiner, Prapit Teparrukkul, Robin L Burke, Eric D Lombardini, Allen L Richards, Carl J Mason, James W Jones, Nicholas P J Day, Susanna J Dunachie
Scrub typhus is a febrile infection caused by the obligate intracellular bacterium Orientia tsutsugamushi, which causes significant morbidity and mortality across the Asia-Pacific region. The control of this vector-borne disease is challenging due to humans being dead-end hosts, vertical maintenance of the pathogen in the vector itself, and a potentially large rodent reservoir of unclear significance, coupled with a lack of accurate diagnostic tests. Development of an effective vaccine is highly desirable. This however requires better characterization of the natural immune response of this neglected but important disease...
September 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28890510/circulating-genotypes-of-dengue-1-virus-in-south-west-india-2014-2015
#15
Shetty Pooja, Sasidharanpillai Sabeena, Bhaskar Revti, Ramachandran Sanjay, Aithal Anjali, Kumar Rajendra, Sushama Aswathyraj, Dsouza Giselle, Maity Hindol, Govindakarnavar Arunkumar
Dengue is found to be the most prevalent arboviral disease affecting humans. Tropical and subtropical regions are at high risk of dengue virus infections. The clinical manifestations often range from mild fever to fever with hemorrhagic manifestations and shock. Since 2010, India is witnessing a marked increase in the number of Dengue Virus Serotype 1(DENV-1) apart from Dengue Virus 2 (DENV-2) and Dengue Virus 3 (DENV-3) Serotypes. The present study was undertaken to understand the circulating genotypes of DENV-1 in South West India by sequencing the envelope gene of DENV-1 samples representative of the time period 2014-2015...
September 11, 2017: Japanese Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28889134/pesticide-applicators-questionnaire-content-validation-a-fuzzy-delphi-method
#16
S K Manakandan, I Rosnah, J Mohd Ridhuan, R Priya
BACKGROUND: The most crucial step in forming a set of survey questionnaire is deciding the appropriate items in a construct. Retaining irrelevant items and removing important items will certainly mislead the direction of a particular study. This article demonstrates Fuzzy Delphi method as one of the scientific analysis technique to consolidate consensus agreement within a panel of experts pertaining to each item's appropriateness. This method reduces the ambiguity, diversity, and discrepancy of the opinions among the experts hence enhances the quality of the selected items...
August 2017: Medical Journal of Malaysia
https://www.readbyqxmd.com/read/28887102/molecular-detection-of-vector-borne-pathogens-in-greek-cats
#17
Mathios E Mylonakis, Megan Schreeg, Manolis K Chatzis, Julian Pearce, Henry S Marr, Manolis N Saridomichelakis, Adam J Birkenheuer
Infectious diseases have been increasingly recognized in cats worldwide. The objective of this study was the molecular investigation of the prevalence of selected pathogens in healthy and sick cats from Greece, a country highly endemic for several canine vector-borne pathogens. Blood and/or bone marrow samples from 50 clinically healthy and 50 sick adult (>1 year-old) cats were retrospectively examined for the amplification of Bartonella spp., haemoplasmas, Ehrlichia spp., Anaplasma spp., Babesia spp., and Cytauxzoon spp...
September 1, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28883509/the-circadian-clock-in-immune-cells-controls-the-magnitude-of-leishmania-parasite-infection
#18
Silke Kiessling, Geneviève Dubeau-Laramée, Hyejee Ohm, Nathalie Labrecque, Martin Olivier, Nicolas Cermakian
The intracellular parasite Leishmania uses neutrophils and macrophages as host cells upon infection. These immune cells harbour their own intrinsic circadian clocks, known to influence many aspects of their functions. Therefore, we tested whether the host circadian clocks regulate the magnitude of Leishmania major infection in mice. The extent of parasitic infection varied over 24 h in bone marrow-derived macrophages in vitro and in two different in vivo models, footpad and peritoneal cavity infection. In vivo this was paralleled by time of day-dependent neutrophil and macrophage infiltration to the infection site and rhythmic chemokine expression...
September 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28882512/epidemiology-of-babesia-anaplasma-and-trypanosoma-species-using-a-new-expanded-reverse-line-blot-hybridization-assay
#19
Martina Soledad Paoletta, Ludmila López Arias, Sofía de la Fournière, Eliana Carolina Guillemi, Carlos Luciani, Néstor Fabián Sarmiento, Juan Mosqueda, Marisa Diana Farber, Silvina Elizabeth Wilkowsky
Vector-borne hemoparasitic infections are a major problem that affects livestock industries worldwide, particularly in tropical and subtropical regions. In this work, a reverse line blot (RLB) hybridization assay was developed for the simultaneous detection and identification of Anaplasma, Babesia and bovine trypanosomes, encompassing in this way the most relevant hemoparasites that affect cattle. A total of 186 bovine blood samples collected from two different ecoepidemiological regions of northeast Argentina, with and without tick control, were analyzed with this new RLB...
September 1, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28879619/borrelia-miyamotoi-other-vector-borne-agents-in-cat-blood-and-ticks-in-eastern-maryland
#20
Avery B Shannon, Renee Rucinsky, Holly D Gaff, R Jory Brinkerhoff
We collected blood and tick samples in eastern Maryland to quantify vector-borne pathogen exposure and infection in healthy cats and to assess occupational disease risk to veterinary professionals and others who regularly interact with household pets. Thirty-six percent of healthy cats parasitized by ticks at time of examination (9/25) were exposed to, and 14% of bloods (7/49) tested PCR-positive for, at least one vector-borne pathogen including several bloods and ticks with Borrelia miyamotoi, a recently recognized tick-borne zoonotic bacterium...
September 6, 2017: EcoHealth
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