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Zoonosis

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https://www.readbyqxmd.com/read/29351273/understanding-the-legal-trade-of-cattle-and-camels-and-the-derived-risk-of-rift-valley-fever-introduction-into-and-transmission-within-egypt
#1
Sebastian Napp, Veronique Chevalier, Núria Busquets, Paolo Calistri, Jordi Casal, Mohamed Attia, Rehab Elbassal, Heba Hosni, Hatem Farrag, Noura Hassan, Rasha Tawfik, Sohair Abd Elkader, Shahin Bayomy
Rift Valley Fever (RVF) is a mosquito-borne zoonosis, which may cause significant losses for the livestock sector and have serious public health implications. Egypt has been repeatedly affected by RVF epidemics, mainly associated to the importation of animals from sub-Saharan countries, where the disease is endemic. The objective of our study was the improvement of the surveillance and control strategies implemented in Egypt. In order to do that, first we evaluated the legal trade of live animals into and within Egypt...
January 19, 2018: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29347940/domestic-feline-contribution-in-the-transmission-of-sporothrix-in-rio-de-janeiro-state-brazil-a-comparison-between-infected-and-non-infected-populations
#2
Pãmella A Macêdo-Sales, Simone R L S Souto, Carolina A Destefani, Ricardo P Lucena, Ricardo Luiz D Machado, Marcia R Pinto, Anderson M Rodrigues, Leila M Lopes-Bezerra, Elisabeth M S Rocha, Andréa Regina S Baptista
BACKGROUND: Sporotrichosis is a neglected zoonosis caused by pathogenic fungi belonging to the Sporothrix schenckii complex. In Rio de Janeiro state, this disease reached an epidemic status with over 4700 domestic felines and around 4000 humans affected since the mid-90s. The present study evaluated clinical and epidemiological aspects and also the frequency of colonization and infection by these fungi in healthy cats and among those with suspicious cutaneous lesions, inhabiting four Rio de Janeiro state distinct areas...
January 18, 2018: BMC Veterinary Research
https://www.readbyqxmd.com/read/29336912/-bartonella-henselae-serological-evidence-in-pediatric-patients-with-clinical-suspicion-of-cat-scratch-disease
#3
Rita Armitano, Agustina Lisa, Claudia Martínez, Lucia Cipolla, Ricardo Iachini, Monica Prieto
Cat scratch disease (CSD) is caused by Bartonella henselae, which mainly affects children. The cat is the reservoir. The laboratory diagnosis is based on the detection of antibodies by the Indirect Immunofluorescence (IFI) assay. The objective of this study was to analyze the serological evidence of B. henselae infection in pediatric patients that met the clinical/epidemiological criteria for suspected CSD. We studied 92 patients, who were categorized into four serological groups: 1) IgG (+)/IgM(+), 31,5% (n=29); 2) IgG (-)/IgM(+), 10,9% (n=10); 3) IgG (+)/IgM(-), 9,8% (n=9); 4) IgG (-)/IgM(-), 47,8% (n=44)...
January 11, 2018: Revista Argentina de Microbiología
https://www.readbyqxmd.com/read/29335595/mapping-the-epidemic-changes-and-risks-of-hemorrhagic-fever-with-renal-syndrome-in-shaanxi-province-china-2005-2016
#4
Weifeng Liang, Xu Gu, Xue Li, Kangjun Zhang, Kejian Wu, Miaomiao Pang, Jianhua Dong, Hunter R Merrill, Tao Hu, Kun Liu, Zhongjun Shao, Hong Yan
Hemorrhagic fever with renal syndrome (HFRS) is a major rodent-borne zoonosis. Each year worldwide, 60,000-100,000 HFRS human cases are reported in more than seventy countries with almost 90% these cases occurring in China. Shaanxi Province in China has been among the most seriously affected areas since 1955. During 2009-2013, Shaanxi reported 11,400 human cases, the most of all provinces in China. Furthermore, the epidemiological features of HFRS have changed over time. Using long-term data of HFRS from 2005 to 2016, we carried out this retrospective epidemiological study combining ecological assessment models in Shaanxi...
January 15, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29331578/molecular-detection-and-characterisation-of-babesia-and-theileria-in-australian-hard-ticks
#5
Brooke Storey-Lewis, Ann Mitrovic, Brent McParland
Babesia and Theileria are intraerythrocytic protozoans of the phylum Apicomplexa. These species are capable of infecting wild and domestic animals and have historically caused great economic loss in the agricultural industry. In recent years human babesiosis has been deemed an emerging zoonosis in North America, Europe and Asia. The first locally acquired case of babesiosis in Australia, caused by Babesia microti, was reported in March 2012. A number of native Babesia and Theileria species have been identified in Australian marsupials, however their associated tick vectors and threat to human health is unknown...
December 24, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/29329166/hematologic-manifestations-of-brucellosis-in-children
#6
Naphtali Justman, Yariv Fruchtman, David Greenberg, Ben-Shimol Shalom
BACKGROUND: Brucellosis is a common zoonosis in the Bedouin population of southern Israel. Limited data exist for the rate and risk factors of hematologic complication of brucellosis in children. We assessed anemia, leukopenia, thrombocytopenia and pancytopenia in childhood brucellosis in southern Israel. METHODS: Our medical center is the sole hospital in southern-Israel. All medical files of brucellosis, 2005-2014, identified through positive blood cultures or International Classification of Diseases 9 revision (ICD9) coding with positive serology, were reviewed retrospectively...
January 11, 2018: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/29324884/a-cross-sectional-study-on-dutch-layer-farms-to-investigate-the-prevalence-and-potential-risk-factors-for-different-chlamydia-species
#7
Marloes Heijne, Jeanet A van der Goot, Helmi Fijten, Joke W van der Giessen, Eric Kuijt, Catharina B M Maassen, Annika van Roon, Ben Wit, Ad P Koets, Hendrik I J Roest
In poultry several Chlamydia species have been detected, but Chlamydia psittaci and Chlamydia gallinacea appear to be most prevalent and important. Chlamydia psittaci is a well-known zoonosis and is considered to be a pathogen of poultry. Chlamydia gallinacea has been described more recently. Its avian pathogenicity and zoonotic potential have to be further elucidated. Within the Netherlands no data were available on the presence of Chlamydia on poultry farms. As part of a surveillance programme for zoonotic pathogens in farm animals, we investigated pooled faecal samples from 151 randomly selected layer farms...
2018: PloS One
https://www.readbyqxmd.com/read/29324806/immunocompetent-host-develops-mild-intestinal-inflammation-in-acute-infection-with-toxoplasma-gondii
#8
Paulo da Silva Watanabe, Aline Rosa Trevizan, Saulo Euclides Silva-Filho, Marcelo Biondaro Góis, João Luiz Garcia, Roberto Kenji Nakamura Cuman, Ana Cristina Breithaupt-Faloppa, Débora de Mello Gonçales Sant Ana, Gessilda de Alcantara Nogueira de Melo
Toxoplasma gondii (T. gondii) is the causative agent of toxoplasmosis, common zoonosis among vertebrates and high incidence worldwide. During the infection, the parasite needs to transpose the intestinal barrier to spread throughout the body, which may be a trigger for an inflammatory reaction. This work evaluated the inflammatory alterations of early T. gondii infection in peripheral blood cells, in the mesenteric microcirculation, and small intestinal tissue by measurement of MPO (myeloperoxidase) activity and NO (nitric oxide) level in rats...
2018: PloS One
https://www.readbyqxmd.com/read/29321072/tissue-specific-transcriptomes-of-anisakis-simplex-sensu-stricto-and-anisakis-pegreffii-reveal-potential-molecular-mechanisms-involved-in-pathogenicity
#9
Serena Cavallero, Fabrizio Lombardo, Xiaopei Su, Marco Salvemini, Cinzia Cantacessi, Stefano D'Amelio
BACKGROUND: Larval stages of the sibling species of parasitic nematodes Anisakis simplex (sensu stricto) (s.s.) (AS) and Anisakis pegreffii (AP) are responsible for a fish-borne zoonosis, known as anisakiasis, that humans aquire via the ingestion of raw or undercooked infected fish or fish-based products. These two species differ in geographical distribution, genetic background and peculiar traits involved in pathogenicity. However, thus far little is known of key molecules potentially involved in host-parasite interactions...
January 10, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29319526/mrsa-in-pig-population
#10
Meldra Ivbule, Edvīns Miklaševičs, Liene Čupāne, Laima Bērziņa, Andris Bāliņš, Anda Valdovska
Methicillin resistant Staphylococcus aureus (MRSA) is widespread worldwide in different types of animal species and as a zoonosis takes a great risk for human health not only as a food toxicoinfection, but also as a highly resistant pathogen causing serious soft tissue infectious, septicaemia and even death. One of the most affected food-producing animal species is swine in the production of which new antibiotics in big amounts are used more and more continuously, increasing antimicrobial resistance. In this study several commercial pig farms and pigs with different age groups as well as farm workers and samples from environment were examined with the purpose of detecting MRSA prevalence and evaluating antimicrobial resistance...
September 27, 2017: Polish Journal of Microbiology
https://www.readbyqxmd.com/read/29317887/genotyping-echinococcus-granulosus-from-canine-isolates-in-ilam-province-west-of-iran
#11
Abdolhossein Dalimi, Morteza Shamsi, Afra Khosravi, Fatemeh Ghaffarifar
Background: Cystic Echinococcosis (CE) is one of the most common parasitic zoonosis caused by Echinococcus granulosus worldwide. This study investigated genotype diversity of Echinococcus granulosus isolated from stray dogs and golden jackals in Ilam province, West of Iran. Methods: Adult worms were collected from the small intestine of the stray dogs and golden jackals from Ilam Province roads during 2012-2014. DNA was extracted from the adult worms and the partial mitochondrial NADH dehydrogenase subunit1 (nad1) was amplified by PCR then the products were digested by using HpaII, Rsa1, and Alu1 restriction enzymes...
October 2017: Iranian Journal of Parasitology
https://www.readbyqxmd.com/read/29313694/right-colon-mucinous-adenocarcinoma-mimicking-a-hydatid-cyst
#12
Noelia Ibáñez, Juan Ángel Fernández, Álvaro Jesús Gómez, Pascual Parrilla
Hydatid disease is a fecal-oral transmission zoonosis which is endemically distributed among Mediterranean countries such as Morocco. It usually presents asymptomatically and a diagnosis is made due to cyst complications. It is most frequently located in the liver and lungs and forms large masses. The incidence of colon cancer has increased amongst population under 50 years of age during the last few decades. It has been proposed that young adult cases may have histological characteristics with a more aggressive clinical behavior...
January 9, 2018: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/29311235/deletion-of-the-mfs-transporter-fptb-alters-host-cell-interactions-and-attenuates-the-virulence-of-type-a-francisella-tularensis
#13
Phillip M Balzano, Aimee L Cunningham, Christen Grassel, Eileen M Barry
Francisella tularensis is a Gram negative facultative intracellular coccobacillus that can infect a wide variety of hosts. In humans, F. tularensis causes the zoonosis tularemia following insect bites, ingestion, inhalation, and the handling of infected animals. That a very small inoculum delivered by the aerosol route can cause severe disease, coupled with the possibility of its use as an aerosolized bioweapon, have led to the classification of Francisella tularensis as a Category A select agent and has renewed interest in the formulation of a vaccine...
January 8, 2018: Infection and Immunity
https://www.readbyqxmd.com/read/29305986/biological-activities-and-functional-analysis-of-macrophage-migration-inhibitory-factor-in-oncomelania-hupensis-the-intermediate-host-of-schistosoma-japonicum
#14
Shuaiqin Huang, Theerakamol Pengsakul, Yunchao Cao, Mingke Lu, Wenfeng Peng, Jiaojiao Lin, Chongti Tang, Liang Tang
Schistosomiasis is a destructive parasitic zoonosis caused by agents of the genus Schistosoma, which afflicts more than 250 million people worldwide. The freshwater amphibious snail Oncomelania hupensis serves as the obligate intermediate host of Schistosoma japonicum. Macrophage migration inhibitory factor (MIF) has been demonstrated to be a pleiotropic immunoregulatory cytokine and a key signaling molecule involved in adaptive and innate immunity. In the present study, we obtained the full-length cDNA of OhMIF and analyzed the characteristics of the ORF and the peptide sequence in O...
January 3, 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29304756/medical-treatment-of-an%C3%A2-unusual-cerebral-hydatid-disease
#15
Shu Chen, Ning Li, Feifei Yang, Jiqin Wu, Yuekai Hu, Shenglei Yu, Qi Chen, Xuan Wang, Xinyu Wang, Yuanyuan Liu, Jianming Zheng
BACKGROUND: Hydatid disease is a worldwide zoonosis produced by the larval stage of cestodes of the Echinococcus genus. Hydatid disease primarily involves the liver and lungs. The brain is involved in less than 2% of cases. Surgery has long been the only choice for the treatment, but chemotherapy has been successfully replaced surgery in some special cases. CASE PRESENTATION: We report a rare hydatid disease case which presented with multiple lesions in right frontal lobe, an uncommon site, and in the liver and lungs...
January 5, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29301202/a-model-to-detect-autochthonous-group-1-and-2-brazilian-vaccinia-virus-coinfections-development-of-a-qpcr-tool-for-diagnosis-and-pathogenesis-studies
#16
Rafael Calixto, Graziele Oliveira, Maurício Lima, Ana Cláudia Andrade, Giliane de Souza Trindade, Danilo Bretas de Oliveira, Erna Geessien Kroon
Vaccinia virus (VACV) is the etiological agent of bovine vaccinia (BV), an emerging zoonosis that has been associated with economic losses and social effects. Despite increasing reports of BV outbreaks in Brazil, little is known about the biological interactions of Brazilian VACV (VACV-BR) isolates during coinfections; furthermore, there are no tools for the diagnosis of these coinfections. In this study, a tool to co-detect two variants of VACV was developed to provide new information regarding the pathogenesis, virulence profile, and viral spread during coinfection with VACV-BR isolates...
December 30, 2017: Viruses
https://www.readbyqxmd.com/read/29287761/brucellosis-in-west-and-central-africa-a-review-of-the-current-situation-in-a-changing-landscape-of-dairy-cattle-systems
#17
REVIEW
L Craighead, A Meyer, B Chengat, I Musallam, J Akakpo, P Kone, J Guitian, B Häsler
Brucellosis is a neglected endemic zoonosis in West and Central Africa. In this narrative review, evidence of livestock and human infection is presented along with details of past and current control strategies in 14 selected countries. Data from available literature is combined with expert opinion elicited during a regional workshop on brucellosis diagnostics. Demographic changes that affect both the epidemiology of brucellosis and the success of control or surveillance are also considered. The evidence suggests that brucellosis prevalence in emerging peri-urban dairy cattle systems may be higher than that found in traditional transhumant extensive systems...
December 26, 2017: Acta Tropica
https://www.readbyqxmd.com/read/29274171/landscape-attributes-governing-local-transmission-of-an-endemic-zoonosis-rabies-virus-in-domestic-dogs
#18
Kirstyn Brunker, Philippe Lemey, Denise A Marston, Anthony R Fooks, Ahmed Lugelo, Chanasa Ngeleja, Katie Hampson, Roman Biek
Landscape heterogeneity plays an important role in disease spread and persistence but quantifying landscape influences and their scale-dependence is challenging. Studies have focused on how environmental features or global transport networks influence pathogen invasion and spread, but their influence on local transmission dynamics that underpin the persistence of endemic diseases remains unexplored. Bayesian phylogeographic frameworks that incorporate spatial heterogeneities are promising tools for analysing linked epidemiological, environmental and genetic data...
December 23, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/29259325/clinical-characteristics-and-molecular-epidemiology-of-hepatitis-e-in-shenzhen-china-a-shift-toward-foodborne-transmission-of-hepatitis-e-virus-infection
#19
Siddharth Sridhar, Simon Kf Lo, Fanfan Xing, Jin Yang, Haiyan Ye, Jasper Fw Chan, Jade Ll Teng, Chuan Huang, Cyril Cy Yip, Susanna Kp Lau, Patrick Cy Woo
Hepatitis E virus (HEV) is the most common cause of acute viral hepatitis in China. Recently, a shift in molecular epidemiology from hepatitis E genotype 1 (HEV-1) to hepatitis E genotype 4 (HEV-4) has been observed in Northern China, marking a switch from human-to-human transmission to zoonosis. However, similar data from cities in Southern China are lacking. This observational study of human hepatitis E cases in Shenzhen, a metropolitan city in the Pearl River Delta region, aimed to describe the clinical features and molecular epidemiology of hepatitis E in Southern China...
December 20, 2017: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/29243027/lactobacillus-rhamnosus-reduces-parasite-load-on-toxocara-canis-experimental-infection-in-mice-but-has-no-effect-on-the-parasite-in-vitro
#20
Débora Liliane Walcher, Luis Augusto Xavier Cruz, Paula de Lima Telmo, Lourdes Helena Rodrigues Martins, Luciana Farias da Costa de Avila, Maria Elisabeth Aires Berne, Carlos James Scaini
Human toxocariasis is a neglected global parasitic zoonosis. The efficacy of drug treatment for this disease has been hindered by the biological complexity of the main etiological agent, the nematode Toxocara canis. Experimental studies have shown the potential of probiotics to promote a reduction in the parasite load of T. canis larvae. This study aimed to evaluate the effect of probiotic Lactobacillus rhamnosus ATCC 7469 on the parasite load of BALB/c mice with acute toxocariasis and evaluate the direct effect of this probiotic on T...
December 14, 2017: Parasitology Research
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