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https://www.readbyqxmd.com/read/28811576/microclimatic-temperatures-increase-the-potential-for-vector-borne-disease-transmission-in-the-scandinavian-climate
#1
Najmul Haider, Carsten Kirkeby, Birgit Kristensen, Lene Jung Kjær, Jens Havskov Sørensen, Rene Bødker
We quantified the difference between the meteorological temperature recorded by the Danish Meteorological Institute (DMI) weather stations and the actual microclimatic temperatures at two or three different heights at six potential insect habitats. We then compared the impact of the hourly temperature on the extrinsic incubation period (EIP) of six pathogens. Finally, we developed a regression model, enabling us to predict the microclimatic temperatures of different habitats based on five standard meteorological parameters readily available from any meteorological institution...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28810870/vector-borne-and-zoonotic-diseases-of-dogs-in-north-west-new-south-wales-and-the-northern-territory-australia
#2
Amanda J Shapiro, Graeme Brown, Jacqueline M Norris, Katrina L Bosward, Debbie J Marriot, Nandhakumar Balakrishnan, Edward B Breitschwerdt, Richard Malik
BACKGROUND: Vector-borne diseases of dogs in Australian Aboriginal communities are relatively unexplored. These dogs represent a unique group with variable ecto- and endo-parasitic burdens, nutritional stresses and a general lack of veterinary intervention. We investigated haemoprotozoal and bacterial pathogen prevalences in relation to erythrocyte and platelet numbers in dogs from North-West New South Wales (N-W NSW) and the Northern Territory (NT; Central Australia). METHODS: Real-time PCR (qPCR) amplification of Anaplasma platys, Babesia vogeli, Mycoplasma haemocanis, Candidatus Mycoplasma haematoparvum and Bartonella spp...
August 15, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28807290/exposure-to-vector-borne-pathogens-in-privately-owned-dogs-living-in-different-socioeconomic-settings-in-brazil
#3
Luciana Aguiar Figueredo, Kamila Gaudêncio da Silva Sales, Katrin Deuster, Matthias Pollmeier, Domenico Otranto, Filipe Dantas-Torres
This survey was conducted in four Brazilian cities, from three federative units (Pernambuco, Minas Gerais, and Federal District), representing different socioeconomic settings, to determine the presence of antibodies to or antigens and DNA of selected pathogens in privately owned dogs. From January to April 2015, blood and serum samples were collected and assayed using different tests. In particular, antibodies to Anaplasma spp., Borrelia burgdorferi sensu lato, and Ehrlichia spp., and antigens of Dirofilaria immitis were detected using a rapid enzyme-linked immunosorbent assay, whereas antibodies to Babesia spp...
August 30, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28807289/neglected-intravascular-pathogens-babesia-vulpes-and-haemotropic-mycoplasma-spp-in-european-red-fox-vulpes-vulpes-population
#4
Martina Koneval, Martina Miterpáková, Zuzana Hurníková, Lucia Blaňarová, Bronislava Víchová
Wild animals, especially canids, are important reservoirs of vector-borne pathogens, that are transmitted by the ticks and other bloodsucking arthropods. In total, 300 red foxes (Vulpes vulpes), shot by the hunters in eastern and northern Slovakia, were screened for the presence of vector-borne pathogens by PCR-based methods Blood samples were obtained from nine red foxes and tissue samples originated from 291 animals (the liver tissue samples from 49 foxes and spleen samples from 242 red foxes). Babesia vulpes and haemotropic Mycoplasma species were identified by amplification and sequencing of 18S rRNA and 16S rRNA gene fragments, respectively...
August 30, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28806786/an-economic-evaluation-of-vector-control-in-the-age-of-a-dengue-vaccine
#5
Christopher Fitzpatrick, Alexander Haines, Mathieu Bangert, Andrew Farlow, Janet Hemingway, Raman Velayudhan
INTRODUCTION: Dengue is a rapidly emerging vector-borne Neglected Tropical Disease, with a 30-fold increase in the number of cases reported since 1960. The economic cost of the illness is measured in the billions of dollars annually. Environmental change and unplanned urbanization are conspiring to raise the health and economic cost even further beyond the reach of health systems and households. The health-sector response has depended in large part on control of the Aedes aegypti and Ae...
August 14, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28805465/what-we-are-watching-top-global-infectious-disease-threats-2013-2016-an-update-from-cdc-s-global-disease-detection-operations-center
#6
Kira A Christian, A Danielle Iuliano, Timothy M Uyeki, Eric D Mintz, Stuart T Nichol, Pierre Rollin, J Erin Staples, Ray R Arthur
To better track public health events in areas where the public health system is unable or unwilling to report the event to appropriate public health authorities, agencies can conduct event-based surveillance, which is defined as the organized collection, monitoring, assessment, and interpretation of unstructured information regarding public health events that may represent an acute risk to public health. The US Centers for Disease Control and Prevention's (CDC's) Global Disease Detection Operations Center (GDDOC) was created in 2007 to serve as CDC's platform dedicated to conducting worldwide event-based surveillance, which is now highlighted as part of the "detect" element of the Global Health Security Agenda (GHSA)...
August 14, 2017: Health Security
https://www.readbyqxmd.com/read/28805165/repurposing-as-a-strategy-for-the-discovery-of-new-anti-leishmanials-the-state-of-the-art
#7
Rebecca L Charlton, Bartira Rossi-Bergmann, Paul W Denny, Patrick G Steel
Leishmaniasis is a vector-borne neglected tropical disease caused by protozoan parasites of the genus Leishmania for which there is a paucity of effective viable non-toxic drugs. There are 1·3 million new cases each year causing considerable socio-economic hardship, best measured in 2·4 million disability adjusted life years, with greatest impact on the poorest communities, which means that desperately needed new antileishmanial treatments have to be both affordable and accessible. Established medicines with cheaper and faster development times may hold the cure for this neglected tropical disease...
August 14, 2017: Parasitology
https://www.readbyqxmd.com/read/28804661/imported-asymptomatic-bancroftian-filariasis-discovered-from-a-plasmodium-vivax-infected-patient-a-case-report-from-singapore
#8
Jean-Marc Chavatte, Roland Jureen
Human lymphatic filariasis is a vector-borne disease mainly caused by the parasitic nematode Wuchereria bancrofti and transmitted worldwide within the tropical and subtropical regions. Singapore was once endemic for bancroftian filariasis but recent reports are scarce and the disease is nearly forgotten. The case report presented here reports the incidental hospital laboratory finding of an asymptomatic microfilaremia in a relapsing Plasmodium vivax imported case during a malaria treatment follow-up appointment...
2017: Case Reports in Infectious Diseases
https://www.readbyqxmd.com/read/28802807/acute-phase-response-in-babesia-canis-and-dirofilaria-immitis-co-infections-in-dogs
#9
Zorana Milanović, Anja Ilić, Jelena Francuski Andrić, Vladimir Radonjić, Anđelo Beletić, Milica Kovačević Filipović
Babesia canis and Dirofilaria immitis are emerging and geographically overlapping vector-borne pathogens in dogs. Infection with B. canis leads to acute-phase response (APR) that can be mild to severe and results in either non-complicated or complicated forms of the disease. The aim of this study was to determine whether acute B. canis infection is more severe in dogs with underlying asymptomatic D. immitis infection. Dogs of both sexes, different ages and breeds, with naturally occurring mono-infections with B...
August 2, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28799685/ecological-factors-influencing-small-mammal-infection-by-anaplasma-phagocytophilum-and-borrelia-burgdorferi-s-l-in-agricultural-and-forest-landscapes
#10
Grégoire Perez, Suzanne Bastian, Amélie Chastagner, Albert Agoulon, Olivier Plantard, Gwenaël Vourc'h, Alain Butet
Small mammals are key components of numerous tick-borne disease systems, as hosts for immature ticks and pathogen reservoirs. To study the factors influencing tick-borne infection in small mammals, we trapped small mammals and collected questing ticks in spring and autumn in 2012 and 2013 at 24 sites in a 10x15 km rural landscapes (Brittany, France). Tissue samples were screened by real-time PCR for Anaplasma phagocytophilum and Borrelia burgdorferi sensu lato. Of the two dominant small mammal species captured, bank voles (Myodes glareolus) had higher prevalence than wood mice (Apodemus sylvaticus) for both infections, presumably because of specific differences in immunological defenses...
August 11, 2017: Environmental Microbiology
https://www.readbyqxmd.com/read/28794624/nanostructured-delivery-systems-with-improved-leishmanicidal-activity-a-critical-review
#11
REVIEW
Natascia Bruni, Barbara Stella, Leonardo Giraudo, Carlo Della Pepa, Daniela Gastaldi, Franco Dosio
Leishmaniasis is a vector-borne zoonotic disease caused by protozoan parasites of the genus Leishmania, which are responsible for numerous clinical manifestations, such as cutaneous, visceral, and mucocutaneous leishmaniasis, depending on the site of infection for particular species. These complexities threaten 350 million people in 98 countries worldwide. Amastigotes living within macrophage phagolysosomes are the principal target of antileishmanial treatment, but these are not an easy target as drugs must overcome major structural barriers...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28791258/prevention-and-control-strategies-to-counter-dengue-virus-infection
#12
REVIEW
Irfan A Rather, Hilal A Parray, Jameel B Lone, Woon K Paek, Jeongheui Lim, Vivek K Bajpai, Yong-Ha Park
Dengue is currently the highest and rapidly spreading vector-borne viral disease, which can lead to mortality in its severe form. The globally endemic dengue poses as a public health and economic challenge that has been attempted to suppress though application of various prevention and control techniques. Therefore, broad spectrum techniques, that are efficient, cost-effective, and environmentally sustainable, are proposed and practiced in dengue-endemic regions. The development of vaccines and immunotherapies have introduced a new dimension for effective dengue control and prevention...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28783896/liver-fluke-associated-biliary-tract-cancer
#13
REVIEW
Piyapan Prueksapanich, Panida Piyachaturawat, Prapimphan Aumpansub, Wiriyaporn Ridtitid, Roongruedee Chaiteerakij, Rungsun Rerknimitr
Cholangiocarcinoma (CCA) is an aggressive cancer arising from epithelial cells of the bile duct. Most patients with CCA have an unresectable tumor at the time of diagnosis. In Western countries, the risk of CCA increases in patients with primary sclerosing cholangitis, whereas liver fluke infection appears to be the major risk factor for CCA in Asian countries. A diagnosis of liver fluke infection often relies on stool samples, including microscopic examination, polymerase chain reaction-based assays, and fluke antigen detection...
August 9, 2017: Gut and Liver
https://www.readbyqxmd.com/read/28776227/seroprevalence-and-risk-factors-associated-with-ehrlichia-canis-anaplasma-spp-borrelia-burgdorferi-sensu-lato-and-d-immitis-in-hunting-dogs-from-southern-italy
#14
Diego Piantedosi, Benedetto Neola, Nicola D'Alessio, Francesca Di Prisco, Mario Santoro, Laura Pacifico, Giovanni Sgroi, Luigi Auletta, Jesse Buch, Ramaswamy Chandrashekar, Edward B Breitschwerdt, Vincenzo Veneziano
Canine vector-borne diseases (CVBDs) are caused by a range of pathogens transmitted to dogs by arthropods. The present study investigates Ehrlichia canis, Anaplasma spp., Borrelia burgdorferi sensu lato, and Dirofilaria immitis seroprevalences in hunting dogs from southern Italy. Dogs (no. 1335) were tested using a commercial in-clinic enzyme-linked immunosorbent assay kit. Odds ratios (ORs) were calculated by logistic regression analysis to identify risk factors. Overall, 138/1335 dogs (10.3%) were seroreactive to at least one CVBD pathogen...
August 4, 2017: Parasitology Research
https://www.readbyqxmd.com/read/28775261/disturbance-and-mosquito-diversity-in-the-lowland-tropical-rainforest-of-central-panama
#15
Jose R Loaiza, Larissa C Dutari, Jose R Rovira, Oris I Sanjur, Gabriel Z Laporta, James Pecor, Desmond H Foley, Gillian Eastwood, Laura D Kramer, Meghan Radtke, Montira Pongsiri
The Intermediate Disturbance Hypothesis (IDH) is well-known in ecology providing an explanation for the role of disturbance in the coexistence of climax and colonist species. Here, we used the IDH as a framework to describe the role of forest disturbance in shaping the mosquito community structure, and to identify the ecological processes that increase the emergence of vector-borne disease. Mosquitoes were collected in central Panama at immature stages along linear transects in colonising, mixed and climax forest habitats, representing different levels of disturbance...
August 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28769039/systematic-assessment-of-the-climate-sensitivity-of-important-human-and-domestic-animals-pathogens-in-europe
#16
K Marie McIntyre, Christian Setzkorn, Philip J Hepworth, Serge Morand, Andrew P Morse, Matthew Baylis
Climate change is expected to threaten human health and well-being via its effects on climate-sensitive infectious diseases, potentially changing their spatial distributions, affecting annual/seasonal cycles, or altering disease incidence and severity. Climate sensitivity of pathogens is a key indicator that diseases might respond to climate change, but the proportion of pathogens that is climate-sensitive, and their characteristics, are not known. The climate sensitivity of European human and domestic animal infectious pathogens, and the characteristics associated with sensitivity, were assessed systematically in terms of selection of pathogens and choice of literature reviewed...
August 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28765838/sex-specific-molecular-responses-of-quick-to-court-protein-in-indian-malarial-vector-anopheles-culicifacies-conflict-of-mating-versus-blood-feeding-behaviour
#17
Tanwee Das De, Punita Sharma, Charu Rawal, Seena Kumari, Sanjay Tavetiya, Jyoti Yadav, Yasha Hasija, Rajnikant Dixit
Understanding the molecular basis of mosquito behavioural complexity plays a central role in designing novel molecular tools to fight against their vector-borne diseases. Although the olfactory system plays an important role in guiding and managing many behavioural responses including feeding and mating, but the sex-specific regulation of olfactory responses remain poorly investigated. From our ongoing transcriptomic data annotation of olfactory tissue of blood fed adult female An. culicifacies mosquitoes; we have identified a 383 bp long unique transcript encoding a Drosophila homolog of the quick-to-court protein...
July 2017: Heliyon
https://www.readbyqxmd.com/read/28764816/genotyping-of-bartonella-bacteria-and-their-animal-hosts-current-status-and-perspectives
#18
M Kosoy, C McKee, L Albayrak, Y Fofanov
Growing evidence demonstrates that bacterial species diversity is substantial, and many of these species are pathogenic in some contexts or hosts. At the same time, laboratories and museums have collected valuable animal tissue and ectoparasite samples that may contain substantial novel information on bacterial prevalence and diversity. However, the identification of bacterial species is challenging, partly due to the difficulty in culturing many microbes and the reliance on molecular data. Although the genomics revolution will surely add to our knowledge of bacterial systematics, these approaches are not accessible to all researchers and rely predominantly on cultured isolates...
August 2, 2017: Parasitology
https://www.readbyqxmd.com/read/28763070/-knowledge-of-vector-borne-diseases-dengue-rickettsiosis-and-chagas-disease-in-physicians
#19
César I Lugo-Caballero, Karla Dzul-Rosado, Irving Dzul-Tut, Ángel Balam-May, Jorge Zavala-Castro
BACKGROUND: The ecological conditions of Yucatan made it a suitable region for the acquisition of vector-borne diseases such as dengue, rickettsiosis, and Chagas disease. As the epidemiological burden of these diseases shows an alarming increase of severe cases, the early establishment of diagnosis and therapeutics by first-contact physicians is a critical step that is not being fulfilled due to several reasons, including poor knowledge. OBJECTIVE: To determine the level of knowledge related to dengue, Chagas disease, and rickettsiosis among rural first-contact physicians of Yucatan...
May 2017: Gaceta Médica de México
https://www.readbyqxmd.com/read/28761778/association-between-host-species-choice-and-morphological-characters-of-main-sensory-structures-of-culicoides-in-the-palaeartic-region
#20
Denis Augot, Leila Hadj-Henni, Stavana E Strutz, Darine Slama, Christine Millot, Jérôme Depaquit, Jean-Marc Millot
Culicoides (Diptera: Ceratopogonidae) serve as vectors of several mammalian and avian diseases, including bluetongue, Schmallenberg, African horse sickness, avian malaria and Oropouche. Host preference investigations are necessary to assess the transmission routes of vector-borne diseases and to inform mitigation strategies. A recent study examining the main sensory structures (palps and antennae) of Culicoides species suggests that they be classified as ornithophilic or mammalophilic according to their feeding habits...
2017: PeerJ
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