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Vector Borne and Zoonotic Diseases

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https://www.readbyqxmd.com/read/28332937/yersinia-spp-in-wild-rodents-and-shrews-in-finland
#1
Suvi Joutsen, Riikka Laukkanen-Ninios, Heikki Henttonen, Jukka Niemimaa, Liina Voutilainen, Eva R Kallio, Heikki Helle, Hannu Korkeala, Maria Fredriksson-Ahomaa
Yersinia enterocolitica and Yersinia pseudotuberculosis are important zoonotic bacteria causing human enteric yersiniosis commonly reported in Europe. All Y. pseudotuberculosis strains are considered pathogenic, while Y. enterocolitica include both pathogenic and nonpathogenic strains which can be divided into six biotypes (1A, 1B, and 2-5) and about 30 serotypes. The most common types causing yersiniosis in Europe are Y. enterocolitica bioserotypes 4/O:3 and 2/O:9. Strains belonging to biotype 1A are considered as nonpathogenic because they are missing important virulence genes like the attachment-invasion-locus (ail) gene in the chromosome and the virulence plasmid...
March 23, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28332927/leptospira-spp-in-small-mammals-from-areas-with-low-and-high-human-hantavirus-incidences-in-south-west-germany
#2
Anna Obiegala, Christoph Albrecht, Maysaa Dafalla, Stephan Drewes, Carolin Oltersdorf, Hendrik Turni, Christian Imholt, Jens Jacob, Christiane Wagner-Wiening, Rainer G Ulrich, Martin Pfeffer
INTRODUCTION: Leptospirosis is caused by Leptospira spp. and is considered the most widespread zoonotic disease worldwide. It mimics nephropathia epidemica in humans, a disease mainly caused by Puumala hantavirus (PUUV). Small mammals are reservoirs for Leptospira spp. and PUUV. Seewis virus (SWSV) is a shrew-borne hantavirus with unknown pathogenicity. The objective of this study was to estimate the prevalence for Leptospira spp. and the frequency of Leptospira-hantavirus co-infections in small mammals collected at locations with high and low incidences in humans...
March 23, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28323557/seroprevalence-of-severe-fever-with-thrombocytopenia-syndrome-virus-in-hedgehog-from-china
#3
Yue Sun, Miao-Miao Liu, Li-Mei Luo, Li Zhao, Hong-Ling Wen, Zhen-Tang Zhang, Jian-Wei Liu, Zai-Feng Xue, Dong-Qiang Ma, Shu-Jun Ding, Xiao-Ying Lei, Xue-Jie Yu
Severe fever with thrombocytopenia syndrome, an emerging hemorrhagic fever, is caused by severe fever with thrombocytopenia syndrome virus (SFTSV), a tick-borne bunyavirus. Information regarding SFTSV animal hosts is very limited. In this study, we showed that 64% (9/14) of hedgehogs in Shandong Province, China were seropositive to SFTSV antibody, suggesting that hedgehog could be a vertebrate parasitifer for SFTSV.
March 21, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28301305/molecular-characterization-of-leishmania-parasites-in-giemsa-stained-slides-from-cases-of-human-cutaneous-and-visceral-leishmaniasis-eastern-algeria
#4
Nadia Beldi, Roukaya Mansouri, Jihene Bettaieb, Alia Yaacoub, Hejer Souguir Omrani, Yusr Saadi Ben Aoun, Farida Saadni, Ikram Guizani, Souheila Guerbouj
BACKGROUND: In Algeria, visceral leishmaniasis (VL) is due to Leishmania (L.) infantum, while three cutaneous forms (CL) are caused by Leishmania major, Leishmania tropica and Leishmania infantum. In this study, the use of Giemsa-stained slides was evaluated with two PCR techniques, in Eastern Algeria. MATERIALS AND METHODS: A total of 136 samples corresponding to 100 CL smears (skin scrapings) and 36 VL slides (bone marrow aspirates) collected from 2008 to 2014 were tested...
March 16, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28301296/distinct-leishmania-infantum-strains-circulate-in-humans-and-dogs-in-the-emilia-romagna-region-northeastern-italy
#5
Gianluca Rugna, Elena Carra, Francesco Corpus, Mattia Calzolari, Daniela Salvatore, Romeo Bellini, Antonietta Di Francesco, Erica Franceschini, Antonella Bruno, Giovanni Poglayen, Stefania Varani, Fabrizio Vitale, Giuseppe Merialdi
Human leishmaniasis is an emerging problem in Italy and is on the increase in the Emilia-Romagna region, northeastern part of the country. Nevertheless, studies dealing with the molecular characterization of Leishmania spp. circulating in these areas are limited. In the present work, we explored the genetic polymorphism of Leishmania isolates from 28 cases of canine leishmaniasis and three cases of human visceral leishmaniasis (VL), which occurred in 2013-2014 in the Emilia-Romagna region. The characterization was carried out in comparison with nine human isolates of Leishmania from other VL endemic Italian regions and two reference strains...
March 16, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28287934/seasonal-patterns-in-eastern-equine-encephalitis-virus-antibody-in-songbirds-in-southern-maine
#6
Susan P Elias, Patrick Keenan, Joan L Kenney, Sara R Morris, Kristen M Covino, Sara Robinson, Kimberly A Foss, Peter W Rand, Charles Lubelczyk, Eleanor H Lacombe, John-Paul Mutebi, David Evers, Robert P Smith
The intent of this study was to assess passerine eastern equine encephalitis virus (EEEv) seroprevalence during the breeding season in southern Maine by testing songbird species identified in the literature as amplifying hosts of this virus. In 2013 and 2014, we collected serum samples from songbirds at a mainland site and an offshore island migratory stopover site, and screened samples for EEEv antibodies using plaque reduction neutralization tests. We compared seasonal changes in EEEv antibody seroprevalence in young (hatched in year of capture) and adult birds at the mainland site, and also compared early season seroprevalence in mainland versus offshore adult birds...
March 13, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28287930/detection-of-imjin-virus-and-seoul-virus-in-crocidurine-shrews-in-shandong-province-china
#7
Xi-Feng Sun, Li Zhao, Zhen-Tang Zhang, Miao-Miao Liu, Zai-Feng Xue, Hong-Ling Wen, Dong-Qiang Ma, Yu-Ting Huang, Yue Sun, Chuan-Min Zhou, Li-Mei Luo, Jian-Wei Liu, Wen-Qian Li, Hao Yu, Xue-Jie Yu
INTRODUCTION: Recently, hantaviruses have been discovered in insectivores in Europe, Asia, Africa, and North America. Imjin virus (MJNV) was first isolated from the lung tissues of Ussuri white-toothed shrew (Crocidura lasiura) from South Korea in 2009. We aim to detect the species and prevalence of insectivore- and rodent-borne hantaviruses in shrews and rodents. MATERIALS AND METHODS: Shrews and rodents were captured in Jiaonan County of Shandong Province, China, in 2014...
March 13, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28192064/aedes-borne-virus-mosquito-interactions-mass-spectrometry-strategies-and-findings
#8
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
#9
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...
April 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
#10
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...
April 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28165869/a-field-study-of-plague-and-tularemia-in-rodents-western-iran
#11
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...
April 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28103156/antibodies-against-henipa-like-viruses-in-brazilian-bats
#12
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.
April 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28075239/hantavirus-strains-in-east-africa-related-to-western-african-hantaviruses
#13
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...
April 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
#14
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...
April 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28075235/staphylococcus-pseudintermedius-human-infection-cases-in-spain-dog-to-human-transmission
#15
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...
April 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
#16
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...
April 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
#17
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...
April 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28055328/human-and-dromedary-camel-infection-with-camelpox-virus-in-eastern-sudan
#18
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...
April 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
#19
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...
April 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
#20
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...
April 2017: Vector Borne and Zoonotic Diseases
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