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Vector Borne and Zoonotic Diseases

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https://www.readbyqxmd.com/read/28192064/aedes-borne-virus-mosquito-interactions-mass-spectrometry-strategies-and-findings
#1
Victoria Pando-Robles, Cesar V Batista
Aedes-borne viruses are responsible for high-impact neglected tropical diseases and unpredictable outbreaks such as the ongoing Zika epidemics. Aedes mosquitoes spread different arboviruses such as Dengue virus (DENV), Chikungunya virus (CHIKV), and Zika virus, among others, and are responsible for the continuous emergence and reemergence of these pathogens. These viruses have complex transmission cycles that include two hosts, namely the Aedes mosquito as a vector and susceptible vertebrate hosts. Human infection with arboviruses causes diseases that range from subclinical or mild to febrile diseases, encephalitis, and hemorrhagic fever...
February 13, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28165925/molecular-detection-of-candidatus-bartonella-mayotimonensis-in-north-american-bats
#2
Thomas M Lilley, Cali A Wilson, Riley F Bernard, Emma V Willcox, Eero J Vesterinen, Quinn M R Webber, Laura Kurpiers, Jenni M Prokkola, Imran Ejotre, Allen Kurta, Kenneth A Field, DeeAnn M Reeder, Arto T Pulliainen
Candidatus Bartonella mayotimonensis was detected in 2010 from an aortic valve sample of a patient with endocarditis from Iowa, the United States of America. The environmental source of the potentially new endocarditis-causing Bartonella remained elusive. We set out to study the prevalence and diversity of bat-associated Bartonella in North America. During 2015, mist nets and harp traps were used to capture 92 bats belonging to two species: little brown myotis (Myotis lucifugus Le Conte 1831, n = 73) and the gray myotis (M...
February 6, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28165916/acute-and-late-bartonella-henselae-murine-model-infection
#3
Marilene Neves da Silva, Gislaine Vieira-Damiani, Marna Elise Ericson, Kalpna Gupta, Amanda Roberta de Almeida, Marina Rovani Drummond, Tania Cristina Benetti Soares, Bruno Grosselli Lania, Rovilson Gilioli, Paulo Eduardo Neves Ferreira Velho
Bartonella spp. are fastidious gram-negative neglected bacilli with worldwide distribution. They are able to cause intraerythrocytic and potentially fatal infection. Cats and dogs are reservoirs of some species of these agents. Blood-sucking arthropods are potential vectors. Our aim was to evaluate the blood, skin, liver, and spleen in BALB/c mice by using molecular tests and confocal microscopy to demonstrate Bartonella henselae infection in the bloodstream and organs after 4 and 21 days of intraperitoneally injected bacterial suspension...
February 6, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28165890/enterobacteriaceae-harboring-ampc-blacmy-and-esbl-blactx-m-in-migratory-and-nonmigratory-wild-songbird-populations-on-ohio-dairies
#4
Dimitria A Mathys, Blake A Mathys, Dixie F Mollenkopf, Joshua B Daniels, Thomas E Wittum
Extended-spectrum β-lactamases (ESBLs) confer bacterial resistance to critically important antimicrobials, including extended-spectrum cephalosporins (ESCs). Livestock are important reservoirs for the zoonotic food-borne transmission of ESC-resistant enteric bacteria. Our aim is to describe the potential role of migratory and resident wild birds in the epidemiology of ESBL-mediated bacterial resistance on dairy farms. Using mist nets, we sampled wild migratory and resident birds either immediately adjacent to or 600 ft away from free-stall barns on three Ohio dairy farms during the 2014 and 2015 spring migrations...
February 6, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28165869/a-field-study-of-plague-and-tularemia-in-rodents-western-iran
#5
Ehsan Mostafavi, Abdolrazagh Hashemi Shahraki, Alireza Japoni-Nejad, Saber Esmaeili, Jamshid Darvish, Mohammad Mehdi Sedaghat, Ali Mohammadi, Zeinolabedin Mohammadi, Ahmad Mahmoudi, Behzad Pourhossein, Ahmad Ghasemi, Miklós Gyuranecz, Elisabeth Carniel
INTRODUCTION: Kurdistan Province in Iran is a historical focus for plague and tularemia. This study aimed at assessing the current status of these two foci by studying their rodent reservoirs. MATERIALS AND METHODS: Rodents were trapped and their ectoparasites were collected. The genus and species of both rodents and ectoparasites were determined. Serological analyses of rodent blood samples were done by enzyme-linked immunosorbent assay for plague and by standard tube agglutination assay for tularemia...
February 6, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28145811/investigating-the-potential-role-of-north-american-animals-as-hosts-for-zika-virus
#6
Izabela K Ragan, Emily L Blizzard, Paul Gordy, Richard A Bowen
The recent emergence of the mosquito-borne Zika virus (ZIKV) in the Americas has become a global public health concern. We describe a series of experimental infections designed to investigate whether animals within certain taxonomic groups in North America have the potential to serve as ZIKV amplifying or maintenance hosts. Species investigated included armadillos, cottontail rabbits, goats, mink, chickens, pigeons, ground hogs, deer mice, cattle, raccoons, ducks, Syrian Golden hamsters, garter snakes, leopard frogs, house sparrows, and pigs...
February 1, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28112627/high-prevalence-of-tula-hantavirus-in-common-voles-in-the-netherlands
#7
Miriam Maas, Ankje de Vries, Annika van Roon, Katsuhisa Takumi, Joke van der Giessen, Barry Rockx
Tula virus (TULV) is a zoonotic hantavirus. Knowledge about TULV in the Netherlands is very scarce. Therefore in 2014, 49 common voles (Microtus arvalis) from a region in the south of the Netherlands, and in 2015, 241 common voles from regions in the north of the Netherlands were tested with the TULV quantitative RT-PCR. In the southern region, prevalence of TULV was 41% (20/49). In the northern regions, prevalence ranged from 12% (4/34) to 45% (17/38). Phylogenetic analysis of the obtained sequences showed that the regions fall within different clusters...
January 23, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28112601/swimmer-s-itch-in-belgium-first-recorded-outbreaks-molecular-identification-of-the-parasite-species-and-intermediate-hosts
#8
Yannick Caron, Ariane Cabaraux, Françoise Marechal, Bertrand Losson
BACKGROUND: Cercarial dermatitis or swimmer's itch is a skin condition in humans due to the larval forms of bird schistosomes of some species of the genus Trichobilharzia. The life cycle of these schistosomes requires freshwater snails (intermediate host) and waterfowl (definitive host). Repeated exposures to cercariae can lead to skin sensitization with the induction of pruritic skin lesions. METHODS: We describe, in this study, two outbreaks of human cercarial dermatitis at the Eau d'Heure Lakes, Belgium...
January 23, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28103156/antibodies-against-henipa-like-viruses-in-brazilian-bats
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
Katarína Šimeková, Mária Szilágyiová, Daniela Antolová, Ľudovít 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/28051359/electron-microscopy-of-alkhumra-hemorrhagic-fever-virus
#20
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
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