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J Teixeira, J R Mesquita, S S Pereira, R M S Oliveira, J Abreu-Silva, A Rodrigues, M Myrmel, K Stene-Johansen, J Øverbø, G Gonçalves, M S J Nascimento
The concept of zoonotic hepatitis E in industrialized countries has emerged with the discovery of swine strains of hepatitis E virus (HEV) genotype 3, closely related to human HEV. Different routes of zoonotic HEV transmission have been recognized, including contact with infected pigs. Workers occupationally exposed to swine (WOES) have been considered a risk group for HEV infection, but contradictory results have been reported. In the present study, we searched for anti-HEV IgG in WOES (butchers, slaughterhouse workers, veterinarians and pig farmers; n = 114) and in the general population (n = 804) in order to investigate the potential occupational risk of zoonotic HEV infection in this work group...
October 21, 2016: Medical Microbiology and Immunology
Jan Hattendorf, Kevin Louis Bardosh, Jakob Zinsstag
Surveillance of zoonotic disease requires special attention because the animal and human health sectors are involved. A proliferation of scholarly literature and technical guidelines exist for early detection of exotic and re-emerging diseases and to demonstrate freedom from disease as part of international trade agreements. In contrast, literature focussing on surveillance of endemic zoonotic diseases is relatively rare. In this article, we describe and discuss the main aspects to consider when planning a surveillance system for endemic zoonotic diseases in a resource-limited country...
October 18, 2016: Acta Tropica
Daniel M Czyż, Neeta Jain-Gupta, Howard A Shuman, Sean Crosson
Brucella abortus is an intracellular bacterial pathogen and an etiological agent of the zoonotic disease known as brucellosis. Brucellosis can be challenging to treat with conventional antibiotic therapies and, in some cases, may develop into a debilitating and life-threatening chronic illness. We used multiple independent assays of in vitro metabolism and intracellular replication to screen a library of 480 known bioactive compounds for novel B. abortus anti-infectives. Eighteen non-cytotoxic compounds specifically inhibited B...
October 21, 2016: Scientific Reports
Sam Abraham, Mark O'Dea, Darren J Trott, Rebecca J Abraham, David Hughes, Stanley Pang, Genevieve McKew, Elaine Y L Cheong, John Merlino, Sugiyono Saputra, Richard Malik, Thomas Gottlieb
Carbapenem-resistant Enterobacteriaceae (CRE) are a pressing public health issue due to limited therapeutic options to treat such infections. CREs have been predominantly isolated from humans and environmental samples and they are rarely reported among companion animals. In this study we report on the isolation and plasmid characterization of carbapenemase (IMP-4) producing Salmonella enterica Typhimurium from a companion animal. Carbapenemase-producing S. enterica Typhimurium carrying blaIMP-4 was identified from a systemically unwell (index) cat and three additional cats at an animal shelter...
October 21, 2016: Scientific Reports
(no author information available yet)
No abstract text is available yet for this article.
October 16, 2016: Relevé épidémiologique Hebdomadaire
Johanneke D Hemmink, Sophie B Morgan, Mario Aramouni, Helen Everett, Francisco J Salguero, Laetitia Canini, Emily Porter, Margo Chase-Topping, Katy Beck, Ronan Mac Loughlin, B Veronica Carr, Ian H Brown, Mick Bailey, Mark Woolhouse, Sharon M Brookes, Bryan Charleston, Elma Tchilian
Influenza virus infection in pigs is a major farming problem, causing considerable economic loss and posing a zoonotic threat. In addition the pig is an excellent model for understanding immunity to influenza viruses as this is a natural host pathogen system. Experimentally, influenza virus is delivered to pigs intra-nasally, by intra-tracheal instillation or by aerosol, but there is little data comparing the outcome of different methods. We evaluated the shedding pattern, cytokine responses in nasal swabs and immune responses following delivery of low or high dose swine influenza pdmH1N1 virus to the respiratory tract of pigs intra-nasally or by aerosol and compared them to those induced in naturally infected contact pigs...
October 20, 2016: Veterinary Research
Lorraine D Rodriguez-Rivera, Kevin J Cummings, Isaac McNeely, Jan S Suchodolski, Andrea V Scorza, Michael R Lappin, Brian T Mesenbrink, Bruce R Leland, Michael J Bodenchuk
The population size and geographic range of feral pigs in the United States are rapidly expanding. Nevertheless, the role of this invasive species in the ecology and transmission of zoonotic enteric pathogens is poorly understood. Our objectives were to describe the prevalence and diversity of Cryptosporidium and Giardia shedding among feral pigs throughout Texas and to identify risk factors for infection. Fecal samples were collected from feral pigs in Texas from February 2014 through May 2015. Cryptosporidium oocysts and Giardia cysts were detected using a direct immunofluorescence assay, and genotyping of positive samples was performed...
October 20, 2016: Vector Borne and Zoonotic Diseases
Danieli Urach Monteiro, Maria Isabel Azevedo, Carla Weiblen, Sônia DE Avila Botton, Nadine Lysyk Funk, Cristiane DE Bona DA Silva, Régis Adriel Zanette, Thiago Guilherme Schwanz, Mário Luiz DE LA Rue
Cystic echinococcosis is a zoonotic disease of difficult diagnosis and treatment. The use of protoscolicidal agents in procedures is of utmost importance for treatment success. This study was aimed at analysing the in vitro and ex vivo activity of Melaleuca alternifolia oil (tea tree oil - TTO), its nanoemulsion formulation (NE-TTO) and its major component (terpinen-4-ol) against Echinococcus ortleppi protoscoleces obtained from cattle. Concentrations of 2·5, 5 and 10 mg mL-1 of TTO, 10 mg mL-1 of NE-TTO and 1, 1·5 and 2 mg mL-1 of terpinen-4-ol were evaluated in vitro against protoscoleces at 5, 10, 15 and 30 min...
October 20, 2016: Parasitology
Xingxing Dong, Xiaohong Wang, Xingchun Chen, Zhiyun Yan, Jing Cheng, Liangliang Gao, Yuan Liu, Jinquan Li
Staphylococcus aureus, a commensal and a pathogenic bacterium, causes a wide variety of diseases in humans and animals with a high impact on public health and the livestock industry. The risk of zoonotic transmission to humans highlights the need to understand the molecular ecology of S. aureus in foods. In this study, we obtained 25 S. aureus isolates from 39 crayfish samples in Hubei, China. PCR was applied for detection of presence of virulence and methicillin resistance genes in the pathogen genome. The result revealed that all of the 25 S...
October 19, 2016: Current Microbiology
Osman Yeşilbaş, Hasan Serdar Kıhtır, Hamdi Murat Yıldırım, Nevin Hatipoğlu, Esra Şevketoğlu
BACKGROUND: Leptospirosis is a zoonotic infectious disease caused by pathogenic spirochetes of the genus Leptospira. Although it is usually asymptomatic and self-limited, severe potentially fatal illness accompanied by multi-organ failure may occur. CASE REPORT: Here we report an unusual case of severe leptospirosis successfully treated with continuous venovenous hemofiltration (CVVHF) and therapeutic plasma exchange (TPE). The patient presented with pericardial tamponade, renal failure and macrophage activation syndrome, and later suffered prolonged jaundice and sclerosing cholangitis during hospitalization in the pediatric intensive care unit (PICU)...
September 2016: Balkan Medical Journal
Rafaella Paola Meneguete Dos Guimarães-Peixoto, Paulo Sérgio de Arruda Pinto, Marcus Rebouças Santos, Marcelo Depólo Polêto, Letícia Ferreira da Silva, Abelardo Silva Júnior
Bovine cysticercosis is a zoonotic infection widely spread throughout Brazil, creating a burden on hygiene maintenance and the economy. Diagnosis of cysticercosis usually relies on post mortem inspection of carcasses in slaughterhouses. This detection method provides only low sensitivity. Recent advancements have improved the performance of serologic tests, such as ELISA, providing greater sensitivity and specificity. The objective of the current study was to identify and evaluate a synthetic peptide derived from the Taenia saginata 18kDa oncospheric surface protein for the diagnosis of bovine cysticercosis in ELISA...
October 16, 2016: Acta Tropica
Camila Henriques Coelho, Adriana Oliveira Costa, Ana Carolina Carvalho Silva, Maíra Mazzoni Pucci, Angela Vieira Serufo, Haendel Goncalves Nogueira Oliveira Busatti, Maurício Durigan, Jonas Perales, Alex Chapeaurouge, Daniel Almeida da Silva E Silva, Maria Aparecida Gomes, Juliano Simões Toledo, Steven M Singer, Rosiane A Silva-Pereira, Ana Paula Fernandes
The zoonotic potential of giardiasis, as proposed by WHO since the late 70's, has been largely confirmed in this century. The genetic assemblages A and B of Giardia duodenalis are frequently isolated from human and canine hosts. Most of the assemblage A strains are not infective to adult mice, which can limit the range of studies regarding to biology of G. duodenalis, including virulence factors and the interaction with host immune system. This study aimed to determine the infectivity in mice of an assemblage A Giardia duodenalis strain (BHFC1) isolated from a dog and to classify the strain in sub-assemblages (AI, AII, AIII) through the phylogenetic analysis of beta-giardin (bg), triose phosphate isomerase (tpi) and glutamate dehydrogenase (gdh) genes...
2016: PloS One
Purobi Nath, Arun K Yadav
BACKGROUND: The rhizomes of a herb Acorus calamus Linn. (Acoraceae) have been widely used as a traditional medicine to cure intestinal-helminthic infections in India and South Africa. AIM: This study was undertaken to investigate the in vivo anthelmintic activity of a standardized methanolic extract obtained from the rhizomes A. calamus in a rodent model. MATERIALS AND METHODS: A methanolic extract obtained from rhizomes of A. calamus was characterized for active principle using nuclear magnetic resonance (1)H NMR, (13)C NMR, mass and infrared spectroscopy...
September 2016: Journal of Intercultural Ethnopharmacology
Sukhpreet Kaur, Avinash Gupta
Balantidiasis is a rare zoonotic disease in humans. Balantidium coli is the causative ciliated protozoan. We present a case of urinary balantidiasis in a patient having chronic obstructive pulmonary disease (COPD) who was on steroids for a long time. He has no symptoms of bowel or urinary involvement. We are reporting this case because of its rarity in human urine and also for future references.
July 2016: Journal of Cytology
Xiao-Pei Yang, Ji-Yang Fu, Rui-Cheng Yang, Wen-Tong Liu, Tao Zhang, Bo Yang, Ling Miao, Bei-Bei Dou, Chen Tan, Huan-Chun Chen, Xiang-Ru Wang
BACKGROUND: Streptococcus suis serotype 2 (SS2) is an important zoonotic bacterial pathogen in both humans and animals, which can cause high morbidity and mortality. Meningitis is one of the major clinical manifestations of SS2 infection. However, the specific process of SS2 meningitis and its molecular mechanisms remain unclear. Epidermal growth factor receptor (EGFR) has been reported to initiate transduction of intracellular signals and regulate host inflammatory responses. Whether and how EGFR contributes to the development of S...
October 19, 2016: Journal of Neuroinflammation
Aleksija S Neimanis, Charlotta Moraeus, Anders Bergman, Anders Bignert, Johan Höglund, Karl Lundström, Annika Strömberg, Britt-Marie Bäcklin
The biliary trematode Pseudamphistomum truncatum parasitizes a wide range of fish-eating mammals, including humans. Here we report the emergence of this parasite in grey seals (Halichoerus grypus) in the Baltic Sea. One hundred eighty-three of 1 554 grey seals (11.9%) examined from 2002-2013 had detectable hepatobiliary trematode infection. Parasite identification was confirmed as P. truncatum by sequencing the ITS2 region of a pool of five to 10 trematodes from each of ten seals collected off the coast of seven different Swedish counties...
2016: PloS One
Mika A Brown, Michael G Potroz, Seoh-Wei Teh, Nam-Joon Cho
Due to the global prevalence of Chlamydiae, exploring studies of diverse antichlamydial compounds is important in the development of effective treatment strategies and global infectious disease management. Chlamydiaceae is the most widely known bacterial family of the Chlamydiae order. Among the species in the family Chlamydiaceae, Chlamydia trachomatis and Chlamydia pneumoniae cause common human diseases, while Chlamydia abortus, Chlamydia psittaci, and Chlamydia suis represent zoonotic threats or are endemic in human food sources...
October 16, 2016: Microorganisms
Ranjani Somayaji, Joseph E Rubin, Madalagama Ar Priyantha, Deirdre Church
No abstract text is available yet for this article.
October 18, 2016: Future Microbiology
Miriam Maas, Sanne van den End, Annika van Roon, Jaap Mulder, Frits Franssen, Cecile Dam-Deisz, Margriet Montizaan, Joke van der Giessen
The recent invasion of the raccoon dog in the Netherlands may be associated with the risk of introduction and spread of zoonotic pathogens. The aim of this study was to assess whether Echinococcus multilocularis and Trichinella spp. infections are present in Dutch raccoon dogs. Between 2013 and 2014, nine raccoon dogs, mainly road kills, were collected for necropsies. One raccoon dog tested repeatedly positive in the qPCR for E. multilocularis. The positive raccoon dog was collected in the province of Flevoland, which is not a known endemic region for E...
December 2016: International Journal for Parasitology. Parasites and Wildlife
Sanefumi Tsuha, Tomohiro Taniguchi, Soichi Shiiki, Masashi Narita, Daniel T Leung
BACKGROUND: Leptospirosis is a zoonotic disease known to have wide-ranging clinical manifestations. Despite a number of published case series, culture-confirmed series are few and there is a paucity of data on Jarisch-Herxheimer reaction (JHR) associated with treatment of leptospirosis. Our objective was to describe the clinical and epidemiological factors associated with leptospirosis in an endemic area of Japan, with a focus on the occurrence of JHR, an often unrecognized and likely underestimated phenomenon...
October 15, 2016: Transactions of the Royal Society of Tropical Medicine and Hygiene
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