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Roberta Carvalho Basile, Natalino Hajime Yoshinari, Elenice Mantovani, Virgínia Nazário Bonoldi, Delphim da Graça Macoris, Antonio de Queiroz-Neto
Borreliosis caused by Borrelia burgdorferi sensu lato is a cosmopolitan zoonosis studied worldwide; it is called Lyme disease in many countries of the Northern Hemisphere and Lyme-like or Baggio-Yoshinari Syndrome in Brazil. However, despite the increasing number of suspect cases, this disease is still neglected in Brazil by the medical and veterinary communities. Brazilian Lyme-like borreliosis likely involves capybaras as reservoirs and Amblyomma and Rhipicephalus ticks as vectors. Thus, domestic animals can serve as key carriers in pathogen dissemination...
October 4, 2016: Brazilian Journal of Microbiology: [publication of the Brazilian Society for Microbiology]
Emmanuel Nakouné, Basile Kamgang, Nicolas Berthet, Alexandre Manirakiza, Mirdad Kazanji
BACKGROUND: Rift Valley fever virus (RVFV) causes a viral zoonosis, with discontinuous epizootics and sporadic epidemics, essentially in East Africa. Infection with this virus causes severe illness and abortion in sheep, goats, and cattle as well as other domestic animals. Humans can also be exposed through close contact with infectious tissues or by bites from infected mosquitoes, primarily of the Aedes and Culex genuses. Although the cycle of RVFV infection in savannah regions is well documented, its distribution in forest areas in central Africa has been poorly investigated...
October 2016: PLoS Neglected Tropical Diseases
Agnieszka Antonowicz, Piotr Skrzypczyk, Beata Kępa, Małgorzata Pańczyk-Tomaszewska
: Toxocariasis is a common zoonosis caused by infection with Toxocara canis or cati larvae. Ocular toxocariasis is one of the forms of infestation found in 1/1,000 - 1/10,000 children. Children with idiopathic nephrotic syndrome (INS) are at high risk of infections, also parasitic infestations, which can, in turn, cause relapses of the disease. A CASE REPORT: We present a case of a 6-year-old boy with steroiddependent nephrotic syndrome. The disease started at age of 2, the boy had 9 relapses of INS, and was treated with oral prednisone, levamisole, and cyclophosphamide...
October 19, 2016: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
Józef Piotr Knap, Michał Andrzej Targowski
Pappataci (sandfly fever) is a viral (RNA Phlebovirus) vector-borne zoonosis transmitted to men by small Phlebotomus mosquitous. This disease fulfill the international criteria of "emerging disease". Despite of that, pappataci fever is a little known disease brought into Poland. Distribution of disease includes: Mediterranean region, Central Asia and Indian Peninsula. On the basis of pertinent literature and own personal experience, the authors described etiopathogenesis, epidemiology and clinical picture of sandfly fever...
September 29, 2016: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
Marcela Suárez-Esquivel, Nazareth Ruiz-Villalobos, Amanda Castillo-Zeledón, César Jiménez-Rojas, R Martin Roop Ii, Diego J Comerci, Elías Barquero-Calvo, Carlos Chacón-Díaz, Clayton C Caswell, Kate S Baker, Esteban Chaves-Olarte, Nicholas R Thomson, Edgardo Moreno, Jean J Letesson, Xavier De Bolle, Caterina Guzmán-Verri
Brucellosis is a bacterial infectious disease affecting a wide range of mammals and a neglected zoonosis caused by species of the genetically homogenous genus Brucella. As in most studies on bacterial diseases, research in brucellosis is carried out by using reference strains as canonical models to understand the mechanisms underlying host pathogen interactions. We performed whole genome sequencing analysis of the reference strain B. abortus 2308 routinely used in our laboratory, including manual curated annotation accessible as an editable version through a link at https://en...
2016: Frontiers in Microbiology
Ricardo da Silva Raposo, Vamilton Alvares Santarém, Yslla Fernanda Fitz Balo Merigueti, Guita Rubinsky-Elefant, Letícia Maria de Lima Cerazo, Ludimilla Pereira, Bianca Pelegi Zampieri, Aristeu Vieira da Silva, Cecília Braga Laposy
Toxocariasis is a geohelminth zoonosis with worldwide distribution, mainly transmitted through the ingestion of embryonated eggs of nematodes of the Toxocara genus. The disease can also be transmitted to humans as a result of eating raw or undercooked meat of paratenic hosts, such as chickens. Here, we standardized an enzyme-linked immunosorbent assay (ELISA) for evaluating experimentally the kinetic and avidity index (AI) of IgY in broiler chickens infected with different doses of Toxocara canis eggs (G1:100; G2: 1000; and G3: 5000; n = 12 per group)...
October 13, 2016: Experimental Parasitology
Frederik Widén
Hepatitis E (HE) virus infection is not limited to spread from human to human but also occurs between animals and more importantly as zoonotic spread from animals to humans. Genotyping of strains from hepatitis E virus-infected patients has revealed that these infections are not all caused by genotypes 1 or 2 but often by genotypes 3 or 4. Therefore, it is important to understand the striking difference between the spread of genotypes 1 and 2 in countries with poor sanitary standards and the spread of genotypes 3 and 4 in countries with good sanitary standards...
2016: Advances in Experimental Medicine and Biology
Momal Mazhar, Janet J Kao, Dennis Thomas Bolger
Leptospirosis is a zoonosis caused by the spirochete Leptospira interrogans. Most cases of leptospirosis are mild to moderate, and self-limited. The course of disease, however, may be complicated by multiorgan dysfunction such as in Weil's disease. We present a case of Weil's disease with pancreatitis in a young Caucasian man residing in Hawai'i. Although leptospirosis is common in Hawai'i, few patients present with pancreatitis. This report of leptospirosis-induced pancreatitis should help raise awareness of clinicians to assess for pancreatitis when evaluating a patient with leptospirosis and acute abdominal pain...
October 2016: Hawai'i Journal of Medicine & Public Health: a Journal of Asia Pacific Medicine & Public Health
Xu'ai Lin, Guohui Xiao, Dongjiao Luo, Liangliang Kong, Xu Chen, Dexter Sun, Jie Yan
BACKGROUND: Leptospirosis is an important reemerging zoonosis, with more than half a million cases reported annually, and is caused by pathogenic Leptospira species. Development of a universal vaccine is one of the major strategic goals to overcome the disease burden of leptospirosis. In this study, a chimeric multi-epitope protein-based vaccine was designed and tested for its potency to induce a specific immune response and provide protection against L. interrogans infection. RESULTS: The protein, containing four repeats of six T- and B-cell combined epitopes from the leptospiral outer membrane proteins, OmpL1, LipL32 and LipL21, was expressed and purified...
October 14, 2016: BMC Microbiology
Pedro F Soler-Lloréns, Chris R Quance, Sara D Lawhon, Tod P Stuber, John F Edwards, Thomas A Ficht, Suelee Robbe-Austerman, David O'Callaghan, Anne Keriel
Brucella are highly infectious bacterial pathogens responsible for brucellosis, a frequent worldwide zoonosis. The Brucella genus has recently expanded from 6 to 11 species, all of which were associated with mammals; The natural host range recently expanded to amphibians after some reports of atypical strains from frogs. Here we describe the first in depth phenotypic and genetic characterization of a Brucella strains isolated from a frog. Strain B13-0095 was isolated from a Pac-Man frog (Ceratophyrus ornate) at a veterinary hospital in Texas and was initially misidentified as Ochrobactrum anthropi...
2016: Frontiers in Cellular and Infection Microbiology
Leslie A Reperant, Fleur M Moesker, Albert D M E Osterhaus
Global surveillance and advances in vaccine technology are essential to answer the threat of influenza pandemics
January 2016: ERJ Open Research
Esra Yilmaz, Moritz Fritzenwanker, Nikola Pantchev, Mathias Lendner, Sirichit Wongkamchai, Domenico Otranto, Inge Kroidl, Martin Dennebaum, Thanh Hoa Le, Tran Anh Le, Sabrina Ramünke, Roland Schaper, Georg von Samson-Himmelstjerna, Sven Poppert, Jürgen Krücken
BACKGROUND: Cutaneous dirofilariosis is a canine mosquito-borne zoonosis that can cause larva migrans disease in humans. Dirofilaria repens is considered an emerging pathogen occurring with high prevalence in Mediterranean areas and many parts of tropical Asia. In Hong Kong, a second species, Candidatus Dirofilaria hongkongensis, has been reported. The present study aimed to compare mitochondrial genomes from these parasites and to obtain population genetic information. METHODS AND FINDINGS: Complete mitochondrial genomes were obtained by PCR and Sanger sequencing or ILLUMINA sequencing for four worms...
October 2016: PLoS Neglected Tropical Diseases
Elizabeth Marier, Richard Piers Smith, Johanne Ellis-Iversen, Eamon Watson, Derek Armstrong, Henk Hogeveen, Alasdair J C Cook
This study presents British farmers' perception of, and barriers to, implementing Salmonella control on pig farms. Four farms that had implemented interventions and their 33 close contacts (known to the intervention farmers) took part in interviews before (phase 1) and after (phase 2) intervention trials to assess the difference in perception over time. Their results were compared against those from nine randomly selected control farms. The hypothesis was that farms implementing interventions whether or not successful, would influence their close contacts' opinion over time...
October 1, 2016: Preventive Veterinary Medicine
Christopher R Stephens, Constantino González-Salazar, Víctor Sánchez-Cordero, Ingeborg Becker, Eduardo Rebollar-Tellez, Ángel Rodríguez-Moreno, Miriam Berzunza-Cruz, Cristina Domingo Balcells, Gabriel Gutiérrez-Granados, Mircea Hidalgo-Mihart, Carlos N Ibarra-Cerdeña, Martha Pilar Ibarra López, Luis Ignacio Iñiguez Dávalos, María Magdalena Ramírez Martínez
Zoonoses are an important class of infectious diseases. An important element determining the impact of a zoonosis on domestic animal and human health is host range. Although for particular zoonoses some host species have been identified, until recently there have been no methods to predict those species most likely to be hosts or their relative importance. Complex inference networks infer potential biotic interactions between species using their degree of geographic co-occurrence, and have been posited as a potential tool for predicting disease hosts...
October 2016: PLoS Neglected Tropical Diseases
Caio Graco Zeppelini, Alzira Maria Paiva de Almeida, Pedro Cordeiro-Estrela
As a zoonosis, Plague is also an ecological entity, a complex system of ecological interactions between the pathogen, the hosts, and the spatiotemporal variations of its ecosystems. Five reservoir system models have been proposed: (i) assemblages of small mammals with different levels of susceptibility and roles in the maintenance and amplification of the cycle; (ii) species-specific chronic infection models; (ii) flea vectors as the true reservoirs; (iii) Telluric Plague, and (iv) a metapopulation arrangement for species with a discrete spatial organization, following a source-sink dynamic of extinction and recolonization with naïve potential hosts...
October 2016: PLoS Neglected Tropical Diseases
K Pedersen, T D Anderson, S N Bevins, K L Pabilonia, P N Whitley, D R Virchow, T Gidlewski
Leptospirosis is the most widespread zoonosis in humans worldwide. In the United States, widespread detection of antibodies to leptospirosis have been identified in feral swine (Sus scrofa) with the highest detection of serovars, Bratislava, Icterohaemorrhagiae, and Pomona. Over the past few years, feral swine populations have expanded their geographical range and distribution in the United States with reports in at least 39 of 50 states. Since feral swine serve as reservoirs for serovars that can infect humans, it is important to understand the risk of transmission...
October 4, 2016: Epidemiology and Infection
Mario Santoro, Alejandro Alfaro-Alarcón, Vincenzo Veneziano, Anna Cerrone, Maria Stefania Latrofa, Domenico Otranto, Isabel Hagnauer, Mauricio Jiménez, Giorgio Galiero
Angiostrongylus costaricensis (Strongylida, Angiostrongylidae) is a roundworm of rodents, which may cause a severe or fatal zoonosis in several countries of the Americas. A single report indicated that the white-nosed coati (Nasua narica), acts as a potential free-ranging wildlife reservoir. Here we investigated the prevalence and features of A. costaricensis infection in two procyonid species, the white-nosed coati and the raccoon (Procyon lotor) from Costa Rica to better understand their possible role in the epidemiology of this zoonotic infection...
September 15, 2016: Veterinary Parasitology
Alexandra Juhász, Ádám Dán, Béla Dénes, István Kucsera, József Danka, Gábor Majoros
Several trematodes that parasitize vertebrate animals utilize swimming aquatic larvae to infect the host percutaneously. The most important ones among these parasites are the blood-flukes of birds and mammals comprising species that are also zoonotic. Within this latter group are species that cause the bilharziasis or schistosomiasis of inhabitants of the tropical countries, and other trematode species that are able to penetrate human skin, but do not develop to an adult form of the worm in the body. In temperate climates this latter type of infection occurs mainly in the form of an unpleasant inflammation of the skin and is often called "swimmer's itch"...
October 2016: Orvosi Hetilap
Peter Messiaen, Annemie Forier, Steven Vanderschueren, Caroline Theunissen, Jochen Nijs, Marjan Van Esbroeck, Emmanuel Bottieau, Koen De Schrijver, Inge C Gyssens, Reinoud Cartuyvels, Pierre Dorny, Jeroen van der Hilst, Daniel Blockmans
Trichinellosis is a rare parasitic zoonosis caused by Trichinella following ingestion of raw or undercooked meat containing Trichinella larvae. In the past five years, there has been a sharp decrease in human trichinellosis incidence rates in the European Union due to better practices in rearing domestic animals and control measures in slaughterhouses. In November 2014, a large outbreak of trichinellosis occurred in Belgium, related to the consumption of imported wild boar meat. After a swift local public health response, 16 cases were identified and diagnosed with trichinellosis...
September 15, 2016: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
Sana Fatima, Iahtasham Khan, Amar Nasir, Muhammad Younus, Muhammad Saqib, Falk Melzer, Heinrich Neubauer, Hosny El-Adawy
Brucellosis is one of the most important zoonoses in developing countries and was considered the most widespread zoonosis in the world. Brucellosis was reported in camels and has been reported from all camel-keeping countries.The present study was performed in three districts (Jhang, Chiniot, and Bhakkar) of Punjab province of Pakistan. A total of 200 camel (Camelus bactrianus) sera were collected using random and multistage cluster sampling from different areas. Fifty samples were collected from one organized governmental farm...
September 27, 2016: Tropical Animal Health and Production
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