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https://www.readbyqxmd.com/read/28550059/europe-wide-meta-analysis-of-borrelia-burgdorferi-sensu-lato-prevalence-in-questing-ixodes-ricinus-ticks
#1
Martin Strnad, Václav Hönig, Daniel Růžek, Libor Grubhoffer, Ryan O M Rego
Lyme borreliosis is the most common zoonotic disease transmitted by ticks in Europe and North America. Despite having multiple tick vectors, the causative agent Borrelia burgdorferi sensu lato, is vectored mainly by Ixodes ricinus in Europe. In the present study, we aimed to review and summarize the existing data published from 2010 to 2016 concerning the prevalence of B. burgdorferi s.l. spirochetes in questing I. ricinus The primary focus was to evaluate the infection rate of these bacteria in ticks, accounting for tick stage, adult tick gender, region and detection method, as well as to investigate any changes in prevalence over time...
May 26, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28549720/infection-with-borrelia-chilensis-in-ixodes-stilesi-ticks-collected-from-pudu-puda-deer
#2
Claudio Verdugo, Omar Jiménez, Carlos Hernández, Pedro Álvarez, Angelo Espinoza, Daniel González-Acuña
Lyme borreliosis is a vector-borne zoonosis caused by Borrelia burgdorferi sensu lato species complex spirochetes, which are maintained in transmission cycles among vertebrates and Ixodes ticks. Recently, a new genospecies within this complex, Borrelia chilensis, was described in Ixodes stilesi collected from the environment and from rodents in Chile. This tick also infests the native Southern pudu deer (Pudu puda). The objectives of this study were to investigate the prevalence, intensity of infestation, and aggregation of hard ticks on this deer species, and to determine the presence of borrelial pathogens in the ticks...
May 18, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28549151/borrelia-species-detected-in-ticks-feeding-on-wild-korean-water-deer-hydropotes-inermis-using-molecular-and-genotypic-analyses
#3
D VanBik, S H Lee, M G Seo, B R Jeon, Y K Goo, S J Park, M H Rhee, O D Kwon, T H Kim, P J L Geraldino, D Kwak
Lyme borreliosis is a vector-borne disease transmitted through the bite of ticks infected by Borrelia burgdorferi sensu lato group, including B. burgdorferi sensu stricto, B. afzelii, and B. garinii. The goal of the present study was to detect Borrelia species in ticks infesting wild Korean water deer (KWD; Hydropotes inermis Swinhoe), using molecular and genotypic analyses. In total, 48 ticks were collected from KWD, all of which were morphologically identified as Haemaphysalis longicornis Neumann that is dominant in Korea...
May 26, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28545520/the-abundance-of-the-lyme-disease-pathogen-borrelia-afzelii-declines-over-time-in-the-tick-vector-ixodes-ricinus
#4
Maxime Jacquet, Dolores Genné, Alessandro Belli, Elodie Maluenda, Anouk Sarr, Maarten J Voordouw
BACKGROUND: The population dynamics of vector-borne pathogens inside the arthropod vector can have important consequences for vector-to-host transmission. Tick-borne spirochete bacteria of the Borrelia burgdorferi (sensu lato) species complex cause Lyme borreliosis in humans and spend long periods of time (>12 months) in their Ixodes tick vectors. To date, few studies have investigated the dynamics of Borrelia spirochete populations in unfed Ixodes nymphal ticks. METHODS: Larval ticks from our laboratory colony of I...
May 25, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28543264/implication-clinical-and-biological-impact-of-vector-borne-haemopathogens-in-anaemic-dogs-in-france-a-prospective-study
#5
T Bouzouraa, J L Cadore, J Chene, I Goy-Thollot, F Ponce, K Chalvet-Monfray, B Rannou, L Chabanne
OBJECTIVES: To prospectively describe the clinical and biological impact of vector-borne haemopathogens in anaemic dogs in France and occurrence of haemolysis. MATERIALS AND METHODS: This prospective descriptive cohort study includes 134 client-owned dogs that were anaemic on admission at the Veterinary Teaching Hospital of VetAgro Sup, Lyon, France. They underwent comprehensive screening with PCR to detect a panel of vector-borne haemopathogens, SNAP Leishmania and SNAP 4Dx Plus (IDEXX)...
May 23, 2017: Journal of Small Animal Practice
https://www.readbyqxmd.com/read/28537028/enhanced-larvicidal-antibacterial-and-photocatalytic-efficacy-of-tio2-nanohybrids-green-synthesized-using-the-aqueous-leaf-extract-of-parthenium-hysterophorus
#6
Keerthika Thandapani, Manikandan Kathiravan, Elangovan Namasivayam, Indira Arulselvi Padiksan, Geetha Natesan, Manish Tiwari, Benelli Giovanni, Venkatachalam Perumal
Titanium dioxide nanoparticles are emerging as a biocompatible nanomaterial with multipurpose bioactivities. In this study, titanium dioxide (TiO2) nanoparticles were effectively synthesized using the aqueous leaf extracts of Parthenium hysterophorus prepared by microwave irradiation. TiO2 nanoparticles were fabricated by treating the P. hysterophorus leaf extracts with the TiO4 solution. Biologically active compounds such as alcohols, phenols, alkanes, and fluoroalkanes were involved in bioreduction of TiO4 into TiO2...
May 23, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28532494/insecticide-treated-durable-wall-lining-itwl-future-prospects-for-control-of-malaria-and-other-vector-borne-diseases
#7
REVIEW
Louisa A Messenger, Mark Rowland
While long-lasting insecticidal nets (LLINs) and indoor residual spraying (IRS) are the cornerstones of malaria vector control throughout sub-Saharan Africa, there is an urgent need for the development of novel insecticide delivery mechanisms to sustain and consolidate gains in disease reduction and to transition towards malaria elimination and eradication. Insecticide-treated durable wall lining (ITWL) may represent a new paradigm for malaria control as a potential complementary or alternate longer-lasting intervention to IRS...
May 22, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28532428/practices-of-lyme-disease-diagnosis-and-treatment-by-general-practitioners-in-quebec-2008-2015
#8
Salima Gasmi, Nicholas H Ogden, Patrick A Leighton, Ariane Adam-Poupart, François Milord, L Robbin Lindsay, Sapha Barkati, Karine Thivierge
BACKGROUND: Lyme disease (LD), a multisystem infection caused by the spirochete Borrelia burgdorferi sensu stricto (B. burgdorferi), is the most reported vector-borne disease in North America, and by 2020, 80% of the population in central and eastern Canada could live in LD risk areas. Among the key factors for minimising the impact of LD are the accurate diagnosis and appropriate management of patients bitten by ticks. In this study, the practices of Quebec general practitioners (GPs) on LD diagnosis and management of patients bitten by infected ticks are described...
May 22, 2017: BMC Family Practice
https://www.readbyqxmd.com/read/28526093/canine-infection-with-borrelia-burgdorferi-dirofilaria-immitis-anaplasma-spp-and-ehrlichia-spp-in-canada-2013-2014
#9
Brian H Herrin, Andrew S Peregrine, Jonas Goring, Melissa J Beall, Susan E Little
BACKGROUND: Canine test results generated by veterinarians throughout Canada from 2013-2014 were evaluated to assess the geographical distribution of canine infection with Borrelia burgdorferi, Dirofilaria immitis, Ehrlichia spp., and Anaplasma spp. METHODS: The percent positive test results of 115,636 SNAP® 4Dx® Plus tests from dogs tested were collated by province and municipality to determine the distribution of these vector-borne infections in Canada. RESULTS: A total of 2,844/115,636 (2...
May 19, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28511957/a-stochastic-vector-borne-epidemic-model-quasi-stationarity-and-extinction
#10
Tom Britton, Ali Traoré
We consider a stochastic model describing the spread of a vector borne disease in a community where individuals (hosts and vectors) die and new individuals (hosts and vectors) are born. The time to extinction of the disease, TQ, starting in quasi-stationary (conditional on non extinction) is studied. Properties of the limiting distribution are used to obtain an approximate expression for E(TQ), the mean-parameter in the exponential distribution of the time to extinction, for a finite population. It is then investigated numerically and by means of simulations how E(TQ) and its approximations depend on the different model parameters...
May 13, 2017: Mathematical Biosciences
https://www.readbyqxmd.com/read/28511278/vector-borne-diseases-of-public-health-importance-for-personnel-on-military-installations-in-the-united-states
#11
Melissa N Garcia, Thomas L Cropper, Sarah M Gunter, Mathew M Kramm, Mary T Pawlak, Walter Roachell, Shannon E Ronca, Ralph A Stidham, Bryant J Webber, Heather C Yun
No abstract text is available yet for this article.
January 2017: U.S. Army Medical Department Journal
https://www.readbyqxmd.com/read/28511277/operational-mosquito-and-vector-borne-diseases-surveillance-at-incirlik-air-base-turkey
#12
Will K Reeves, Myrna M Miller, Orhan Bayik, Leah Chapman
Arboviruses on Incirlik Air Base, Turkey, pose a threat to military personnel and civilians, but might also be relevant for understanding the threats in neighboring conflict zones such as Syria. We reviewed 6 years of mosquito and arbovirus surveillance at Incirlik Air Base. Over 6,000 mosquitoes were identified as Aedes caspius, Anopheles claviger, Culex mimeticus, Cx. perexiguus, Cx. pipiens, Cx. sinaiticus, and Culiseta longiareolata. Almost all of the mosquitoes (more than 90%) were Cx. perexiguus or Cx...
January 2017: U.S. Army Medical Department Journal
https://www.readbyqxmd.com/read/28511274/a-case-of-chagas-cardiomyopathy-following-infection-in-south-central-texas
#13
Bryant J Webber, Edward J Wozniak, David Chang, Kelvin N Bush, Matthew C Wilson, James A Watts, Heather C Yun
Between 5 and 8 million people globally are infected with Trypanosoma cruzi, the causative parasitic agent of Chagas disease. The vast majority of incident infections originate in pockets of Latin America where domestic vector-borne transmission cycles are more common. Since 1955, when the first locally-acquired case was reported, fewer than 30 autochthonous cases have been documented in the United States. We describe the case of an 18-year-old US Air Force trainee, a native Texan with no travel history beyond the continental United States, who screened positive for T cruzi infection on blood donation and was subsequently found to have chronic Chagasic cardiomyopathy...
January 2017: U.S. Army Medical Department Journal
https://www.readbyqxmd.com/read/28506041/identification-of-tick-species-collected-from-wild-boars-and-habitats-of-wild-boars-and-domestic-pigs-in-the-republic-of-korea
#14
Jeong-Byoung Chae, Jun-Gu Kang, Heung-Chul Kim, Sung-Tae Chong, In-Yong Lee, Nam-Shik Shin, Joon-Seok Chae
Tick is one of the most important arthropods in the transmission of vector-borne diseases. In this study, we investigated the abundance and species of ticks associated with swine and their habitats to assess the risk of spread of tick-borne diseases in host species, such as wild boars. Ticks were collected from 24 grazing or traditionally reared domestic pig farms and 8 habitats of wild boars in 8 provinces and 1 city in the Republic of Korea, by using the dragging and flagging methods. Ticks were also collected directly from 49 wild boars by using fine forceps...
April 2017: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28504430/variation-of-tsetse-fly-abundance-in-relation-to-habitat-and-host-presence-in-the-maasai-steppe-tanzania
#15
Anibariki Ngonyoka, Paul S Gwakisa, Anna B Estes, Happiness J Nnko, Peter J Hudson, Isabella M Cattadori
Human activities modify ecosystem structure and function and can also alter the vital rates of vectors and thus the risk of infection with vector-borne diseases. In the Maasai Steppe ecosystem of northern Tanzania, local communities depend on livestock and suitable pasture that is shared with wildlife, which can increase tsetse abundance and the risk of trypanosomiasis. We monitored the monthly tsetse fly abundance adjacent to Tarangire National Park in 2014-2015 using geo-referenced, baited epsilon traps. We examined the effect of habitat types and vegetation greenness (NDVI) on the relative abundance of tsetse fly species...
June 2017: Journal of Vector Ecology: Journal of the Society for Vector Ecology
https://www.readbyqxmd.com/read/28504099/zoonotic-intestinal-parasites-and-vector-borne-pathogens-in-italian-shelter-and-kennel-dogs
#16
Donato Traversa, Angela Di Cesare, Giulia Simonato, Rudi Cassini, Carmine Merola, Anastasia Diakou, Lénaïg Halos, Frederic Beugnet, Antonio Frangipane di Regalbono
This study investigated the presence of zoonotic parasites and vector-borne pathogens in dogs housed in kennels and shelters from four sites of Italy. A total of 150 adoptable dogs was examined with different microscopic, serological and molecular methods. Overall 129 dogs (86%) were positive for one or more parasites and/or pathogens transmitted by ectoparasites. Forty-eight (32%) were positive for one infection, while 81 (54%) for more than one pathogen. The most common zoonotic helminths recorded were hookworms, roundworms and Capillaria aerophila, followed by mosquito-borne Dirofilaria spp...
April 2017: Comparative Immunology, Microbiology and Infectious Diseases
https://www.readbyqxmd.com/read/28502642/molecular-detection-of-tick-borne-pathogens-in-wild-red-foxes-vulpes-vulpes-from-central-italy
#17
Valentina Virginia Ebani, Guido Rocchigiani, Simona Nardoni, Fabrizio Bertelloni, Violetta Vasta, Roberto Amerigo Papini, Ranieri Verin, Alessandro Poli, Francesca Mancianti
Spleen samples from 153 red foxes, shot during regular hunting season in the province of Pisa (Central Italy), were examined to detect DNA of Anaplasma phagocytophilum, Ehrlichia canis, Coxiella burnetii, Francisella tularensis, Hepatozoon canis and Babesia sp./Theileria sp. DNA of vector-borne pathogens was detected in 120 (78.43%; 95% CI: 71.06-84.66%) foxes. Specifically, 75 (49%; 95% CI: 40.86-57.22%) animals scored PCR-positive per H. canis, 68 (44.44%; 95% CI: 36.42-52.69%) for E. canis, 35 (22.88%; 95% CI: 16...
May 11, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28500292/fitness-estimates-from-experimental-infections-predict-the-long-term-strain-structure-of-a-vector-borne-pathogen-in-the-field
#18
Jonas Durand, Maxime Jacquet, Olivier Rais, Lise Gern, Maarten J Voordouw
The populations of many pathogen species consist of a collection of common and rare strains but the factors underlying this strain-specific variation in frequency are often unknown. Understanding frequency variation among strains is particularly challenging for vector-borne pathogens where the strain-specific fitness depends on the performance in both the vertebrate host and the arthropod vector. Two sympatric multiple-strain tick-borne pathogens, Borrelia afzelii and B. garinii, that use the same tick vector, Ixodes ricinus, but different vertebrate hosts were studied...
May 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28499458/evaluation-of-a-multilocus-sequence-typing-mlst-scheme-for-leishmania-viannia-braziliensis-and-leishmania-viannia-panamensis-in-colombia
#19
Giovanny Herrera, Carolina Hernández, Martha S Ayala, Carolina Flórez, Aníbal A Teherán, Juan David Ramírez
BACKGROUND: Leishmaniases are parasitic vector-borne diseases affecting more than 12 million people in 98 countries. In Colombia, leishmaniasis is widespread and the most common clinical manifestation is cutaneous, mainly caused by L. panamensis and L. braziliensis. Currently, the genetic diversity of these species in Colombia is unknown. To address this, we applied molecular techniques for their characterization, using multilocus sequence typing (MLST) to explore the genetic variability and phylodynamics of the disease...
May 12, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28494844/west-nile-virus-surveillance-in-europe-moving-towards-an-integrated-animal-human-vector-approach
#20
Céline M Gossner, Laurence Marrama, Marianne Carson, Franz Allerberger, Paolo Calistri, Dimitrios Dilaveris, Sylvie Lecollinet, Dilys Morgan, Norbert Nowotny, Marie-Claire Paty, Danai Pervanidou, Caterina Rizzo, Helen Roberts, Friedrich Schmoll, Wim Van Bortel, Andrea Gervelmeyer
This article uses the experience of five European countries to review the integrated approaches (human, animal and vector) for surveillance and monitoring of West Nile virus (WNV) at national and European levels. The epidemiological situation of West Nile fever in Europe is heterogeneous. No model of surveillance and monitoring fits all, hence this article merely encourages countries to implement the integrated approach that meets their needs. Integration of surveillance and monitoring activities conducted by the public health authorities, the animal health authorities and the authorities in charge of vector surveillance and control should improve efficiency and save resources by implementing targeted measures...
May 4, 2017: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
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