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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
#1
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/28917315/protective-and-risk-factors-associated-with-the-presence-of-toxocara-spp-eggs-in-dog-hair
#2
Yslla Fernanda Fitz Balo Merigueti, Vamilton Alvares Santarém, Lívia Magosso Ramires, Aline da Silveira Batista, Layron Vinícus da Costa Beserra, Amábyle Lopes Nuci, Talita Mirella de Paula Esposte
Toxocariasis is one of the most prevalent parasitic zoonoses in the world. The disease is principally caused by the nematode Toxocara canis, whose definitive host is the dog. The transmission of toxocariasis to humans is mainly caused by accidental ingestion of embryonated eggs of the parasite, present in the soil. Studies have shown that dog hair has the capacity to harbor eggs of the parasite and represents a risk for transmission of the zoonosis. The objective of the present study was to evaluate the frequency and factors associated with the contamination of dog hair by Toxocara spp...
September 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28913414/diversity-of-aerobic-bacteria-isolated-from-oral-and-cloacal-cavities-from-free-living-snakes-species-in-costa-rica-rainforest
#3
Allan Artavia-León, Ariel Romero-Guerrero, Carolina Sancho-Blanco, Norman Rojas, Rodolfo Umaña-Castro
Costa Rica has a significant number of snakebites per year and bacterial infections are often complications in these animal bites. Hereby, this study aims to identify, characterize, and report the diversity of the bacterial community in the oral and cloacal cavities of venomous and nonvenomous snakes found in wildlife in Costa Rica. The snakes where captured by casual encounter search between August and November of 2014 in the Quebrada González sector, in Braulio Carrillo National Park. A total of 120 swabs, oral and cloacal, were taken from 16 individuals of the Viperidae and Colubridae families...
2017: International Scholarly Research Notices
https://www.readbyqxmd.com/read/28912965/medically-important-parasites-carried-by-cockroaches-in-melong-subdivision-littoral-cameroon
#4
R J Atiokeng Tatang, H G Tsila, J Wabo Poné
Cockroaches have been recognized as mechanical vectors of pathogens that can infest humans or animals. A total of 844 adult cockroaches (436 males and 408 females) were caught. In the laboratory, cockroaches were first washed in saturated salt solution to remove ectoparasites and then rinsed with 70% alcohol, dried, and dissected for endoparasites. An overall transport rate of 47.39% was recorded. Six genera of parasites were identified. These were Ascaris (33.76%), Trichuris (11.97%), Capillaria (6.16%), Toxocara (4...
2017: Journal of Parasitology Research
https://www.readbyqxmd.com/read/28902268/cystic-echinococcosis-in-south-america-a-call-for-action
#5
Carlos F Pavletic, Edmundo Larrieu, Eduardo A Guarnera, Natalia Casas, Pilar Irabedra, Ciro Ferreira, Julio Sayes, Cesar M Gavidia, Eduardo Caldas, Michael Laurence Zini Lise, Melody Maxwell, Marcos Arezo, Ana Maria Navarro, Marco A N Vigilato, Ottorino Cosivi, Marcos Espinal, Victor J Del Rio Vilas
Cystic echinococcosis (CE) or hydatidosis, a parasitic zoonosis caused by a cestode of the family Taeniidae, species Echinococcus granulosus, is endemic in Argentina, Chile, Peru, Uruguay, and southern Brazil. This report presents CE figures for these five countries in 2009 - 2014 and proposes indicators to measure national control programs. Nearly 5 000 new CE cases were diagnosed annually in the five countries during the study period. The average case fatality rate was 2.9%, which suggests that CE led to approximately 880 deaths in these countries during the 6-year period...
August 21, 2017: Revista Panamericana de Salud Pública, Pan American Journal of Public Health
https://www.readbyqxmd.com/read/28899604/clinical-and-epidemiological-use-of-nested-pcr-targeting-the-repetitive-element-is1111-associated-with-the-transposase-gene-from-coxiella-burnetii
#6
Maria Angélica M M Mares-Guia, Alexandro Guterres, Tatiana Rozental, Michelle Dos Santos Ferreira, Elba R S Lemos
Q fever is a worldwide zoonosis caused by Coxiella burnetii-a small obligate intracellular Gram-negative bacterium found in a variety of animals. It is transmitted to humans by inhalation of contaminated aerosols from urine, feces, milk, amniotic fluid, placenta, abortion products, wool, and rarely by ingestion of raw milk from infected animals. Nested PCR can improve the sensitivity and specificity of testing while offering a suitable amplicon size for sequencing. Serial dilutions were performed tenfold to test the limit of detection, and the result was 10× detection of C...
August 24, 2017: Brazilian Journal of Microbiology: [publication of the Brazilian Society for Microbiology]
https://www.readbyqxmd.com/read/28895246/influence-of-indigenous-microbiota-on-experimental-toxoplasmosis-in-conventional-and-germ-free-mice
#7
Bruna B Nascimento, Christiane T Cartelle, Maria de L Noviello, Breno V Pinheiro, Ricardo W de Almeida Vitor, Danielle da G Souza, Simone de Vasconcelos Generoso, Valbert N Cardoso, Flaviano Dos S Martins, Jacques R Nicoli, Rosa M E Arantes
Toxoplasmosis represents one of the most common zoonosis worldwide. Its agent, Toxoplasma gondii, causes a severe innate pro-inflammatory response. The indigenous intestinal microbiota promotes host animal homoeostasis and may protect the host against pathogens. Germ-free (GF) animals provide an important tool for the study of interactions between host and microbiota. In this study, we assessed the role of indigenous microorganisms in disease development utilizing a murine toxoplasmosis model, which includes conventional (CV) and GF NIH Swiss mice...
September 11, 2017: International Journal of Experimental Pathology
https://www.readbyqxmd.com/read/28893674/seroepidemiology-of-leptospirosis-among-febrile-patients-in-a-rapidly-growing-suburban-slum-and-a-flood-vulnerable-rural-district-in-mozambique-2012-2014-implication-for-the-management-of-fever
#8
Policarpo Ribeiro, Nilesh Bhatt, Sádia Ali, Vanessa Monteiro, Edmilson da Silva, Ilana Teruszkin Balassiano, Carolina Aquino, Nilsa de de Deus, Onelia Guiliche, Argentina Felisbela Muianga, Pascoal Jorge Alho, Virginia Lara Evaristo, Ivan Manhiça, Marco Medeiros, Eduardo Samo Gudo
OBJECTIVE: Leptospirosis, is one of most widespread zoonosis in the world and is caused by spirochetes of the genus Leptospira. In Mozambique, the disease is heavily ignored and its epidemiology is unknown. The objective of this study was to investigate occurrence of leptospirosis in febrile patients. METHODS: A cross-sectional study was conducted among febrile patients between June 2012 and September 2015. A total of 373 paired samples were drawn from febrile patients, of whom 208 were from Caia District Hospital (rural setting) in Sofala province and 165 were from Polana Caniço General Hospital (suburban setting) in Maputo city...
September 8, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28882665/human-gastric-hyperinfection-by-anisakis-simplex-a-severe-and-unusual-presentation-and-a-brief-review
#9
Teresa Baptista-Fernandes, Manuel Rodrigues, Isabel Castro, Paulo Paixão, Pedro Pinto-Marques, Lidia Roque, Silvana Belo, Pedro Manuel Ferreira, Kamal Mansinho, Cristina Toscano
Anisakiasis is an emerging marine food-borne zoonosis resulting from the accidental ingestion of Anisakis larvae, through the consumption of raw or undercooked infected seafood products. The first case of human gastric hyperinfection by Anisakis simplex with an unusual and severe presentation, occurring in a Portuguese woman, is described in this article. Over 140 anisakid larvae were removed by gastroscopy. Massive infection is uncommon in areas where the consumption of raw fish is not part of the traditional diet, as is the case in Portugal...
September 4, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28882517/diagnosis-and-genetic-analysis-of-the-worldwide-distributed-rattus-borne-trypanosoma-herpetosoma-lewisi-and-its-allied-species-in-blood-and-fleas-of-rodents
#10
Paola A Ortiz, Herakles A Garcia, Luciana Lima, Flávia Maia da Silva, Marta Campaner, Carlos L Pereira, Sathaporn Jittapalapong, Luis Neves, Marc Desquesnes, Erney P Camargo, Marta M G Teixeira
Trypanosoma (Herpetosoma) lewisi is a cosmopolitan parasite of rodents strongly linked to the human dispersal of Rattus spp. from Asia to the rest of the world. This species is highly phylogenetically related to trypanosomes from other rodents (T. lewisi-like), and sporadically infects other mammals. T. lewisi may opportunistically infect humans, and has been considered an emergent rat-borne zoonosis associated to poverty. We developed the THeCATL-PCR based on Cathepsin L (CATL) sequences to specifically detect T...
September 4, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28882172/meta-analyses-of-the-proportion-of-japanese-encephalitis-virus-infection-in-vectors-and-vertebrate-hosts
#11
Ana R S Oliveira, Lee W Cohnstaedt, Erin Strathe, Luciana Etcheverry Hernández, D Scott McVey, José Piaggio, Natalia Cernicchiaro
BACKGROUND: Japanese encephalitis (JE) is a zoonosis in Southeast Asia vectored by mosquitoes infected with the Japanese encephalitis virus (JEV). Japanese encephalitis is considered an emerging exotic infectious disease with potential for introduction in currently JEV-free countries. Pigs and ardeid birds are reservoir hosts and play a major role on the transmission dynamics of the disease. The objective of the study was to quantitatively summarize the proportion of JEV infection in vectors and vertebrate hosts from data pertaining to observational studies obtained in a systematic review of the literature on vector and host competence for JEV, using meta-analyses...
September 7, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28878308/iron-dependent-reconfiguration-of-the-proteome-underlies-the-intracellular-lifestyle-of-brucella-abortus
#12
M S Roset, T G Alefantis, V G DelVecchio, G Briones
Brucella ssp. is a facultative intracellular pathogen that causes brucellosis, a worldwide zoonosis that affects a wide range of mammals including humans. A critical step for the establishment of a successful Brucella infection is its ability to survive within macrophages. To further understand the mechanisms that Brucella utilizes to adapt to an intracellular lifestyle, a differential proteomic study was performed for the identification of intracellular modulated proteins. Our results demonstrated that at 48 hours post-infection Brucella adjusts its metabolism in order to survive intracellularly by modulating central carbon metabolism...
September 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28877846/environmental-surveillance-during-an-outbreak-of-tularaemia-in-hares-the-netherlands-2015
#13
Ingmar Janse, Miriam Maas, Jolianne M Rijks, Miriam Koene, Rozemarijn Qj van der Plaats, Marc Engelsma, Peter van der Tas, Marieta Braks, Arjan Stroo, Daan W Notermans, Maaike C de Vries, Frans Reubsaet, Ewout Fanoy, Corien Swaan, Marja Jl Kik, Jooske IJzer, Ryanne I Jaarsma, Sip van Wieren, Ana Maria de Roda-Husman, Mark van Passel, Hendrik-Jan Roest, Joke van der Giessen
Tularaemia, a disease caused by the bacterium Francisella tularensis, is a re-emerging zoonosis in the Netherlands. After sporadic human and hare cases occurred in the period 2011 to 2014, a cluster of F. tularensis-infected hares was recognised in a region in the north of the Netherlands from February to May 2015. No human cases were identified, including after active case finding. Presence of F. tularensis was investigated in potential reservoirs and transmission routes, including common voles, arthropod vectors and surface waters...
August 31, 2017: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/28854806/coxiella-burnetii-immunogenic-proteins-as-a-basis-for-new-q-fever-diagnostic-and-vaccine-development
#14
C Gerlach, Ľ Škultéty, K Henning, H Neubauer, K Mertens
Coxiella burnetii is the etiological agent of the zoonosis Q fever, which can cause an acute or a chronic, life-threatening disease in humans. It presents a highly stable cell form, which persists in the environment and is transmitted via contaminated aerosols. Ruminants are considered as the main reservoir for human infections but are usually asymptomatic. Subclinical infection in these animals and the occurrence of serologically negative shedders hamper the identification of infected animals with the currently used diagnostic techniques...
2017: Acta Virologica
https://www.readbyqxmd.com/read/28854803/protein-composition-of-the-phase-i-coxiella-burnetii-soluble-antigen-prepared-by-extraction-with-trichloroacetic-acid
#15
G Flores-Ramírez, M Kmeťová, M Danchenko, E Špitalská, V Havlíček, Ľ Škultéty
Q fever is a highly infectious, widespread airborne zoonosis caused by Coxiella burnetii bacterium. Humans usually acquire the disease by inhalation of contaminated aerosol produced by infected livestock. Vaccination is the most practical way for prevention and control of the disease in the exposed population. In this work, we reviewed the most important Q-fever outbreaks in Slovakia as well as the progress in vaccine development. One of them represents a soluble antigen complex produced by extraction with trichloroacetic acid from a highly purified C...
2017: Acta Virologica
https://www.readbyqxmd.com/read/28846678/human-leptospirosis-in-seychelles-a-prospective-study-confirms-the-heavy-burden-of-the-disease-but-suggests-that-rats-are-not-the-main-reservoir
#16
Leon Biscornet, Koussay Dellagi, Frédéric Pagès, Jastin Bibi, Jeanine de Comarmond, Julien Mélade, Graham Govinden, Maria Tirant, Yann Gomard, Vanina Guernier, Erwan Lagadec, Jimmy Mélanie, Gérard Rocamora, Gildas Le Minter, Julien Jaubert, Patrick Mavingui, Pablo Tortosa
BACKGROUND: Leptospirosis is a bacterial zoonosis caused by pathogenic Leptospira for which rats are considered as the main reservoir. Disease incidence is higher in tropical countries, especially in insular ecosystems. Our objectives were to determine the current burden of leptospirosis in Seychelles, a country ranking first worldwide according to historical data, to establish epidemiological links between animal reservoirs and human disease, and to identify drivers of transmission. METHODS: A total of 223 patients with acute febrile symptoms of unknown origin were enrolled in a 12-months prospective study and tested for leptospirosis through real-time PCR, IgM ELISA and MAT...
August 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28843417/evaluation-of-primitive-ground-water-supplies-as-a-risk-factor-for-the-development-of-major-waterborne-zoonosis-in-egyptian-children-living-in-rural-areas
#17
Hassan A Elfadaly, Nawal A Hassanain, Mohey A Hassanain, Ashraf M Barakat, Raafat M Shaapan
BACKGROUND: Endemic waterborne zoonosis frequently occurs in both developed and less developed countries. Thus, bio-surveillance of waterborne zoonosis is a "necessity" for the implementation of effective preventive public health measures in Egyptian rural areas. The primitive individual water supplies created by the rural agriculture population, primarily from ground water, usually maximize the customers' exposure to impurity pathogens via diffused humans and animal excreta or wastages...
August 23, 2017: Journal of Infection and Public Health
https://www.readbyqxmd.com/read/28840838/the-role-of-host-immune-cells-and-borrelia-burgdorferi-antigens-in-the-etiology-of-lyme-disease
#18
Dennis Verhaegh, Leo A B Joosten, Marije Oosting
Lyme disease is a zoonosis caused by infection with bacteria belonging to the Borrelia burgdorferi species after the bite of an infected tick. Even though an infection by this bacterium can be effectively treated with antibiotics, when the infection stays unnoticed B. burgdorferi can persist and chronic post-treatment Lyme disease syndrome is able to develop. Although a cellular and humoral response is observed after an infection with the Borrelia bacteria, these pathogens are still capable to stay alive. Several immune evasive mechanisms have been revealed and explained and much work has been put into the understanding of the contribution of the innate and adaptive immune response...
June 1, 2017: European Cytokine Network
https://www.readbyqxmd.com/read/28840803/isolation-and-full-genome-sequences-of-japanese-encephalitis-virus-genotype-i-strains-from-cambodian-human-patients-mosquitoes-and-pigs
#19
Veasna Duong, Rithy Choeung, Christopher Gorman, Denis Laurent, Yoann Crabol, Channa Mey, Borin Peng, Juliette Di Francesco, Vibol Hul, Heng Sothy, Ky Santy, Beat Richner, Jean-David Pommier, San Sorn, Véronique Chevalier, Philippe Buchy, Xavier de Lamballerie, Julien Cappelle, Paul Francis Horwood, Philippe Dussart
Japanese encephalitis remains the most important cause of viral encephalitis in humans in several southeast Asian countries, including Cambodia, causing at least 65 000 cases of encephalitis per year. This vector-borne viral zoonosis - caused by Japanese encephalitis virus (JEV) - is considered to be a rural disease and is transmitted by mosquitoes, with birds and pigs being the natural reservoirs, while humans are accidental hosts. In this study we report the first two JEV isolations in Cambodia from human encephalitis cases from two studies on the aetiology of central nervous system disease, conducted at the two major paediatric hospitals in the country...
September 2017: Journal of General Virology
https://www.readbyqxmd.com/read/28838665/infectious-and-sporadic-prion-diseases
#20
Richard Knight
Prion diseases are progressive fatal encephalopathies characterized by a neurodegenerative pathology, the tissue deposition of abnormally folded prion protein and, in general, potential transmissibility. Creutzfeldt-Jakob disease (CJD) is the commonest human prion disease and occurs in three principal forms: sporadic (idiopathic), acquired (infectious), and inherited (genetic). This chapter concerns the sporadic and acquired forms. Sporadic CJD occurs worldwide and affects mainly the middle aged and elderly...
2017: Progress in Molecular Biology and Translational Science
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