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Vector Borne and Zoonotic Diseases

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https://www.readbyqxmd.com/read/28103156/antibodies-against-henipa-like-viruses-in-brazilian-bats
#1
Jansen de Araujo, Michael K Lo, Azaibi Tamin, Tatiana L Ometto, Luciano M Thomazelli, Marcello S Nardi, Renata F Hurtado, Alessandra Nava, Christina F Spiropoulou, Paul A Rota, Edison L Durigon
Bats are reservoir hosts for many paramyxoviruses, some of which cause human and zoonotic diseases of public health importance. We developed a Nipah virus nucleoprotein enzyme-linked immunosorbent assay to detect cross-reactive antibodies in serum samples from several bat species in Brazil. Our results warrant further investigation of henipa-like virus reservoirs in the Western hemisphere.
January 19, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28075239/hantavirus-strains-in-east-africa-related-to-western-african-hantaviruses
#2
Jana Těšíková, Anna Bryjová, Josef Bryja, Leonid A Lavrenchenko, Joëlle Goüy de Bellocq
Hantaviruses are RNA viruses primarily carried by rodents, soricomorphs, and bats. The data about the distribution and genetic diversity of these viruses are often limited, especially in most regions of sub-Saharan Africa. Moreover, the majority of representatives were identified in western African localities, while only three hantaviruses have been reported in East Africa to date. In this study, a total of 1866 small mammals captured between 2009 and 2014 in various countries of Eastern Africa (Ethiopia, Zambia, Mozambique, Kenya, and Tanzania) were molecularly screened for the presence of hantaviruses...
January 11, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28075236/first-serological-evidence-of-west-nile-virus-in-horses-and-dogs-from-corsica-island-france
#3
Marianne Maquart, Mustapha Dahmani, Jean-Lou Marié, Patrick Gravier, Isabelle Leparc-Goffart, Bernard Davoust
West Nile virus (WNV) is widely distributed over the world, including Europe, Africa, and Asia and spread over the past two decades to North and South America. In the south of France, sporadic cases are frequently described and the virus is endemic in Italy with frequent cases and outbreaks. The aim of this study was to identify a possible WNV circulation in Corsica (French island in the Mediterranean Sea) in sheep, horses, and dogs as sentinel animals for the virus surveillance. In 2014, 386 blood samples were collected from 219 sheep, 96 horses, and 71 dogs, in 12 localities in Corsica, in the oriental coast of Corsica...
January 11, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28075235/staphylococcus-pseudintermedius-human-infection-cases-in-spain-dog-to-human-transmission
#4
Carmen Lozano, Antonio Rezusta, Isabel Ferrer, Vanesa Pérez-Laguna, Myriam Zarazaga, Laura Ruiz-Ripa, María José Revillo, Carmen Torres
Staphylococcus pseudintermedius is an opportunistic pathogen that has been identified as infectious agent or colonizer mainly in dogs. S. pseudintermedius has been also detected in humans and more specifically in people in contact with dogs. In this study, the possible S. pseudintermedius pet-to-human transmission was analyzed in four clinical human cases. Two patients were dog owners and S. pseudintermedius was also detected as colonizer in these healthy animals. S. pseudintermedius isolates from patients and dogs of the same household showed identical pulsed-field gel electrophoresis patterns, sequence types (STs), and antimicrobial resistance phenotypes and genotypes, and were methicillin susceptible...
January 11, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28075232/records-of-aedes-albopictus-skuse-1894-diptera-culicidae-and-culex-tritaeniorhynchus-diptera-culicidae-expansion-in-areas-in-mainland-greece-and-islands
#5
Eleni Patsoula, Stavroula Beleri, Annita Vakali, Danai Pervanidou, Nikolaos Tegos, Andreas Nearchou, Demetrios Daskalakis, Spiros Mourelatos, Christos Hadjichristodoulou
Annual entomological surveillance programs aiming to monitor mosquito populations and record presence and absence of mosquito species have been performed in Greece. We report, in this study, new records and expansion of Aedes albopictus in the islands of Lesvos (region of North Aegean), Crete (region of Crete), and the regional units of Rodopi in East Macedonia-Thrace. Furthermore, Culex tritaeniorhynchus was recorded for the first time in Arta (region of Epirus) in northwestern Greece.
January 11, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28068192/induction-of-apoptosis-in-normal-human-dermal-fibroblasts-infected-with-borrelia-burgdorferi-sensu-lato
#6
Beata Rozwadowska, Marta Albertyńska, Hubert Okła, Krzysztof P Jasik, Andrzej S Swinarew, Urszula Mazurek, Sławomir Dudek, Danuta Urbańska-Jasik, Izabela Poprawa
The spirochete Borrelia burgdorferi s.l. can enter into different eukaryotic cells. Intracellular localization of bacteria may cause many changes in different cell pathways like apoptosis-mediated caspase cascade. The present studies focused on gene expression associated with caspase cascade after normal human dermal fibroblasts (NHDF) infection with Borrelia garinii, Borrelia afzelii, and B. burgdorferi s.s. The use of oligonucleotide microarray technique enabled an expression level comparison of genes associated with caspase cascade in NHDF infected with spirochetes...
January 9, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28068185/prevalence-of-antibodies-against-coxiella-burnetii-in-korean-native-cattle-dairy-cattle-and-dogs-in-south-korea
#7
Kwang-Soo Lyoo, Doo Kim, Hyung Gwan Jang, Seung-Joon Lee, Mi Yeoun Park, Tae-Wook Hahn
Coxiella burnetii is a zoonotic agent and causes coxiellosis, which is a cause of reproductive failure in a range of animal species, including abortion and stillbirth and Q fever, which is most often characterized by an acute flu-like illness, mild pneumonia, and/or hepatitis in humans. While livestock are well recognized worldwide as a source of infection, the zoonotic risk of C. burnetii infection in companion animals such as dogs may be overlooked. For serological diagnosis, indirect immunofluorescent assay (IFA) and enzyme-linked immunosorbent assay (ELISA) are generally considered good methods for prevalence surveys of coxiellosis...
January 9, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28055333/differences-in-clinical-and-laboratory-features-for-different-genotypes-of-orientia-tsutsugamushi-in-guangzhou-southern-china
#8
Yuehong Wei, Yu Ma, Lei Luo, Xinwei Wu, Yong Huang, Xiaoning Li, Zhicong Yang
PURPOSE: To describe the genotypes distribution of Orientia tsutsugamushi, in Guangzhou, and explore differences in clinical and laboratory features among genotypes. METHOD: We collected blood or eschar samples of all scrub typhus cases reported in 2013 from 10 district hospitals positive for PCR. We further tested the PCR-positive samples for DNA sequencing and phylogenetic analysis. We collected the demographic, clinical, and laboratory data by questionnaire and medical records...
January 5, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28055328/human-and-dromedary-camel-infection-with-camelpox-virus-in-eastern-sudan
#9
Abdelmalik I Khalafalla, Fatima Abdelazim
We provide evidence for the zoonotic nature of camelpox virus by reporting infections that involved dromedary camels and three camel herders in Showak area of eastern Sudan between September and December 2014. The skin lesions in the camel herders consisted of erythema, vesicles, and pustules that involved arms, hands, legs, back, and abdomen and resolved within less than 2 months with no human-to-human transmission. The diagnosis was achieved through molecular technique, virus isolation in cell culture, and partial genome sequencing...
January 5, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28055326/prevalence-and-distribution-of-human-and-tick-infections-with-the-ehrlichia-muris-like-agent-and-anaplasma-phagocytophilum-in-wisconsin-2009-2015
#10
Darby S Murphy, Xia Lee, Scott R Larson, Diep K Hoang Johnson, Theoren Loo, Susan M Paskewitz
Ehrlichiosis and anaplasmosis are important emerging tickborne zoonoses that affect both humans and animals. Knowledge of the geographic distribution and prevalence of Ehrlichia spp. and Anaplasma phagocytophilum in Wisconsin is important information as a baseline for future comparisons. Reported human cases between 2009 and 2015 were identified using the Wisconsin Electronic Disease Surveillance System (WEDSS) and mapped by county of residence. Vector surveillance was established using ticks collected from animals by partners, including veterinary medical clinics, domestic animal shelters, and wildlife rehabilitation centers from 40 Wisconsin counties...
January 5, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28051760/contribution-to-the-diagnosis-and-treatment-of-life-threatening-parasitosis-caused-by-the-parasite-echinococcus-multilocularis
#11
Katarína Šimeková, Mária Szilágyiová, Daniela Antolová, Ladislav Laca, Hubert Polaček, Elena Nováková, Martin Števík, Róbert Rosoľanka
Echinococcosis is a serious parasitic disease that ends lethally in 95% of untreated infected patients. It was first diagnosed in Slovakia in the year 2000. It is caused by the larval stage of a tapeworm belonging to the genus Echinococcus, which was assigned to the group "A" of zoonoses in the year 2004. The number of new infections is rising because of increasing percentage of infected red foxes (Vulpes vulpes). Early and accurate diagnosis of infections with this parasite is essential for proper initiation of adequate therapy...
January 4, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28051366/mapping-of-malaria-vectors-at-district-level-in-india-changing-scenario-and-identified-gaps
#12
Poonam Singh, Mercy Aparna L Lingala, Soma Sarkar, Ramesh C Dhiman
Malaria is one of the six major vector-borne diseases in India, the endemicity of which changes with changes in ecological, climatic, and sociodevelopmental conditions. The anopheline vectors are greatly affected by ecological conditions such as deforestation, urbanization, climate and lifestyle. Despite the advent of tools such as Geographic Information System (GIS), the updated information on the distribution of anopheline vectors of malaria is not available. In India, the plan for vector control is organized at subcentral level but information about vectors is unavailable even at the district level...
January 4, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28051359/electron-microscopy-of-alkhumra-hemorrhagic-fever-virus
#13
Tariq A Madani, El-Tayb M E Abuelzein, Sawsan M Jalalah, Huda Abu-Araki, Esam I Azhar, Ahmed M Hassan, Hussein M S Al-Bar
Alkhumra hemorrhagic fever virus (AHFV) is a newly described zoonotic flavivirus that was first isolated during 1994-1995 from the Alkhumra district south of Jeddah, Saudi Arabia. Subsequently, the virus was also isolated from Makkah city (2001-2003) and Najran (2008-2009), Saudi Arabia. The virus causes acute febrile illness with hepatitis, hemorrhagic manifestations, and encephalitis. A case fatality rate of 25% was reported among hospitalized patients. Although several biological and molecular characteristics of the virus have been published, no data are available on electron microscopic features of the virus...
January 4, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28048951/prevalence-of-severe-febrile-and-thrombocytopenic-syndrome-virus-anaplasma-spp-and-babesia-microti-in-hard-ticks-acari-ixodidae-from-jiaodong-peninsula-shandong-province
#14
Huaqiang Zhang, Yi Sun, Hongrong Jiang, Xinbei Huo
The presence of tick-borne pathogens and their possible coinfections were evaluated among host-seeking ticks in seven cities from Jiaodong peninsula, Shandong Province, with specific PCR or reverse transcription-PCR tests. Among 2107 ticks collected, four species of three genera were identified with Haemaphysalis longicornis as predominant species, and total of 63 H. longicornis and 10 Rhicephalus microplus were confirmed infected with tick-borne pathogens. These pathogens were consequently identified as severe febrile and thrombocytopenic syndrome virus (SFTSV), Anaplasma capra, Anaplasma phygocytophilum, and Babesia microti, respectively, with high phylogenetic scores on some fragments of species-specific genes...
January 3, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28009529/high-prevalence-of-middle-east-respiratory-coronavirus-in-young-dromedary-camels-in-jordan
#15
Neeltje van Doremalen, Zaidoun S K Hijazeen, Peter Holloway, Bilal Al Omari, Chester McDowell, Danielle Adney, Hani A Talafha, Javier Guitian, John Steel, Nadim Amarin, Markos Tibbo, Ehab Abu-Basha, Ahmad M Al-Majali, Vincent J Munster, Juergen A Richt
Prevalence of Middle East respiratory syndrome coronavirus (MERS-CoV) was determined in 45 dromedary camels from two geographically separated herds in Jordan. Virus shedding was only detected in swabs obtained from the respiratory tract and primarily observed in camels younger than 3 years. MERS-CoV seroprevalence increased with age of camels. Bovine and sheep sera were seronegative. Phylogenetic analysis of partial S2 clustered the Jordanian MERS-CoV strains with contemporary MERS-CoV strains associated with nosocomial outbreaks...
December 23, 2016: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/27992293/molecular-characterization-of-anaplasma-sp-in-free-living-gray-brockets-mazama-gouazoubira
#16
Anna Claudia Baumel Mongruel, Jyan Lucas Benevenute, Marcos Rogério André, Adriano de Oliveira Torres Carrasco, Rosangela Zacarias Machado, Meire Christina Seki
Bacteria in the genus Anaplasma are responsible for diseases in animals and humans. Studies carried out in Brazil have demonstrated that Brazilian deer are able to act as hosts of agents in the family Anaplasmataceae and are possibly potential reservoirs of these pathogens. Molecular and phylogenetic studies have been carried out on samples of two gray brocket specimens (Mazama gouazoubira) from the city of Guarapuava, state of Paraná, Brazil, for the detection of Anaplasma sp. in these animals. Partial nucleotide sequences of the genes 16S rRNA and groESL were used for phylogenetic analyses and compared with other 13 and 17 partial sequences of the respective genes obtained in GenBank...
December 19, 2016: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/27992288/survey-for-rickettsiae-within-fleas-of-great-gerbils-almaty-oblast-kazakhstan
#17
Yerlan Sansyzbayev, Talgat Nurmakhanov, Almas Berdibekov, Anna Vilkova, Olzhas Yeskhodzhayev, Heidi K St John, Ju Jiang, Christina M Farris, Allen L Richards
Little is known of the endemicity of flea-borne rickettsiae in Kazakhstan. Thus, a survey for rickettsiae within great gerbil fleas was conducted in Almaty oblast. High prevalence of Rickettsia asembonensis was detected among Xenopsylla gerbilli, demonstrating that flea-borne rickettsiae are endemic to southeastern Kazakhstan. Interestingly, no Rickettsia typhi were detected in these same fleas.
December 19, 2016: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/27929928/seroepidemiological-survey-of-rift-valley-fever-virus-in-ruminants-in-garissa-kenya
#18
Mark O Nanyingi, Gerald M Muchemi, Samuel M Thumbi, Fredrick Ade, Clayton O Onyango, Stephen G Kiama, Bernard Bett
INTRODUCTION: Rift Valley fever (RVF) is a vector-borne zoonotic disease caused by phlebovirus in the family Bunyaviridae. In Kenya, major outbreaks occurred in 1997-1998 and 2006-2007 leading to human deaths, huge economic losses because of livestock morbidity, mortality, and restrictions on livestock trade. AIM: This study was conducted to determine RVF seroprevalence in cattle, sheep, and goats during an interepidemic period in Garissa County in Kenya. METHODS: In July 2013, we performed a cross-sectional survey and sampled 370 ruminants from eight RVF-prone areas of Garissa County...
December 8, 2016: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/27922802/urban-breeding-corvids-as-disseminators-of-ticks-and-emerging-tick-borne-pathogens
#19
Attila D Sándor, Zsuzsa Kalmár, Ioana Matei, Angela Monica Ionică, Ioan-Daniel Mărcuţan
Crows (Corvidae) are common city dwellers worldwide and are increasingly important subjects of epidemiology studies. Although their importance as hosts and transmitters of a number of zoonotic parasites and pathogens is well known, there are no studies on their importance as tick hosts. After mosquitoes, ticks are the most important vectors of zoonotic pathogens, especially for those causing emerging zoonotic diseases. Pathogenic bacteria, especially Borrelia spp., Rickettsia spp., and Anaplasma spp., vectored by ticks, are the cause for most vector-borne diseases in Europe...
December 6, 2016: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/27893338/seroprevalence-and-risk-factors-of-toxoplasma-gondii-infection-in-farmed-raccoon-dogs-nyctereutes-procyonoides-in-china
#20
Wen-Bin Zheng, Wei Cong, Junling Hou, Jian-Gang Ma, Xiao-Xuan Zhang, Xing-Quan Zhu, Qing-Feng Meng, Dong-Hui Zhou
Toxoplasma gondii, an obligate intracellular apicomplexan parasite, can infect homoiothermal vertebrate animals, including raccoon dogs (Nyctereutes procyonoides). Regretfully, data on T. gondii infection in raccoon dogs were limited in China. Therefore, to investigate the seroprevalence and to evaluate risk factors for T. gondii infection in raccoon dogs, a total of 1181 raccoon dog blood samples were collected from Jilin and Shandong provinces, China, from September to December 2014. The antibodies of T. gondii were examined using the modified agglutination test...
November 28, 2016: Vector Borne and Zoonotic Diseases
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