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Transboundary and Emerging Diseases

X Ku, F Chen, P Li, Y Wang, X Yu, S Fan, P Qian, M Wu, Q He
A novel circovirus called porcine circovirus type 3 (PCV3) was recently reported to exist in the USA. This circovirus is associated with porcine dermatitis, nephropathy syndrome and reproductive failure. This study reports on the first identification, widely epidemic, different phylogenetic clusters, potential role in sow reproductive failure and possible origins of PCV3 in China.
March 19, 2017: Transboundary and Emerging Diseases
J Kyyrö, L Sahlström, T Lyytikäinen
The NORA rapid risk assessment tool was developed for situations where there is a change in the disease status of easily transmissible animal diseases in neighbouring countries or in countries with significant interactions with Finland. The goal was to develop a tool that is quick to use and will provide consistent results to support risk management decisions. The model contains 63 questions that define the potential for entry and exposure by nine different pathways. The magnitude of the consequences is defined by 23 statements...
March 16, 2017: Transboundary and Emerging Diseases
X Zhang, Y Zhu, X Zhu, J Chen, H Shi, D Shi, H Dong, L Feng
Porcine-transmissible gastroenteritis virus (TGEV) is a pathogenic coronavirus responsible for high diarrhoea-associated morbidity and mortality in suckling piglets. We analysed the TGEV ORF3 gene using nested polymerase chain reaction and identified an ORF3a deletion in three field strains of TGEV collected from piglets in China in 2015. Eight TGEV ORF3 sequences were obtained in this study. Phylogenetic tree analysis of ORF3 showed that the eight TGEV ORF3 genes all belonged to the Miller cluster. CH-LNCT and CH-MZL were closely correlated with Miller M6, while CH-SH was correlated with Miller M60...
March 15, 2017: Transboundary and Emerging Diseases
J L Elser, B G Hatch, L H Taylor, L H Nel, S A Shwiff
An appreciation of the costs of implementing canine rabies control in different settings is important for those planning new or expanded interventions. Here we compare the costs of three canine rabies control projects in South Africa, the Philippines and Tanzania to identify factors that influence the overall costs of rabies control efforts. There was considerable variation in the cost of vaccinating each dog, but across the sites these were lower where population density was higher, and later in the projects when dog vaccination coverage was increased...
March 15, 2017: Transboundary and Emerging Diseases
K Cappelli, R F Cook, V Stefanetti, F Passamonti, G L Autorino, M T Scicluna, M Coletti, A Verini Supplizi, S Capomaccio
Equine infectious anaemia virus (EIAV) is a lentivirus with an almost worldwide distribution that causes persistent infections in equids. Technical limitations have restricted genetic analysis of EIAV field isolates predominantly to gag sequences resulting in very little published information concerning the extent of inter-strain variation in pol, env and the three ancillary open reading frames (ORFs). Here, we describe the use of long-range PCR in conjunction with next-generation sequencing (NGS) for rapid molecular characterization of all viral ORFs and known transcription factor binding motifs within the long terminal repeat of two EIAV isolates from the 2006 Italian outbreak...
March 15, 2017: Transboundary and Emerging Diseases
E Simulundu, H M Chambaro, Y Sinkala, M Kajihara, H Ogawa, A Mori, J Ndebe, G Dautu, L Mataa, C H Lubaba, C Simuntala, P Fandamu, M Simuunza, G S Pandey, K L Samui, G Misinzo, A Takada, A S Mweene
During 2013-2015, several and severe outbreaks of African swine fever (ASF) affected domestic pigs in six provinces of Zambia. Genetic characterization of ASF viruses (ASFVs) using standardized genotyping procedures revealed that genotypes I, II and XIV were associated with these outbreaks. Molecular and epidemiological data suggest that genotype II ASFV (Georgia 2007/1-like) detected in Northern Province of Zambia may have been introduced from neighbouring Tanzania. Also, a genotype II virus detected in Eastern Province of Zambia showed a p54 phylogenetic relationship that was inconsistent with that of p72, underscoring the genetic variability of ASFVs...
March 15, 2017: Transboundary and Emerging Diseases
S Sghaier, A Lorusso, O Portanti, M Marcacci, M Orsini, M E Barbria, A S Mahmoud, S Hammami, A Petrini, G Savini
Since 1998, southern Europe has experienced multiple incursions of different serotypes and topotypes of Bluetongue virus, a vector-borne transmitted virus, the causative agent of Bluetongue (BT), a major disease of ruminants. Some of these incursions originated from northern Africa, likely because of wind-blown dissemination of infected midges. In this report, we describe the detection and whole genome characterization of a novel BTV-3 strain identified in a symptomatic sheep in Tunisia. Sequences were immediately deposited with the GenBank Database under Accession Nos KY432369-KY432378...
March 15, 2017: Transboundary and Emerging Diseases
L Mur, J M Sánchez-Vizcaíno, E Fernández-Carrión, C Jurado, S Rolesu, F Feliziani, A Laddomada, B Martínez-López
African swine fever virus (ASFV) has been endemic in Sardinia since 1978, resulting in severe losses for local pig producers and creating important problems for the island's veterinary authorities. This study used a spatially explicit stochastic transmission model followed by two regression models to investigate the dynamics of ASFV spread amongst domestic pig farms, to identify geographic areas at highest risk and determine the role of different susceptible pig populations (registered domestic pigs, non-registered domestic pigs [brado] and wild boar) in ASF occurrence...
March 13, 2017: Transboundary and Emerging Diseases
H Shen, X Liu, P Zhang, L Wang, Y Liu, L Zhang, P Liang, C Song
Porcine circovirus type 3 (PCV3) is a novel circovirus that was associated with porcine dermatitis and nephropathy syndrome, reproductive failure, and multisystemic inflammation. Recently, a PCV3 strain was identified from pyretic and pneumonic piglets in Guangdong province, China. This virus strain was sequenced and designated PCV3-China/GD2016. The complete genome of PCV3-China/GD2016 is 2,000 bp in length and shared 98.5% and 97.4% nucleotide identities with PCV3/29160 and PCV3/2164, respectively. Phylogenetic analysis based on the complete genome showed that PCV3-China/GD2016 clustered with the emerging PCV3 and separated with other virus in genus Circovirus...
March 13, 2017: Transboundary and Emerging Diseases
M G Hemida, D K W Chu, R A P M Perera, R L W Ko, R T Y So, B C Y Ng, S M S Chan, S Chu, A A Alnaeem, M A Alhammadi, R J Webby, L L M Poon, U B R Balasuriya, M Peiris
Equine coronaviruses (ECoV) are the only coronavirus known to infect horses. So far, data on ECoV infection in horses remain limited to the USA, France and Japan and its geographic distribution is not well understood. We carried out RT-PCR on 306 nasal and 315 rectal swabs and tested 243 sera for antibodies to detect coronavirus infections in apparently healthy horses in Saudi Arabia and Oman. We document evidence of infection with ECoV and HKU23 coronavirus by RT-PCR. There was no conclusive evidence of Middle East respiratory syndrome coronavirus infection in horses...
March 13, 2017: Transboundary and Emerging Diseases
L B Keid, D P Chiebao, M C A Batinga, T Faita, J A Diniz, T M F de S Oliveira, H L Ferreira, R M Soares
Canine brucellosis caused by Brucella canis is a neglected zoonosis worldwide and is a leading cause of reproductive failure in dogs, often causing substantial economic losses in breeding kennels. This study aimed to investigate the occurrence of B. canis infection in dogs of commercial breeding kennels located in São Paulo State, Brazil. A total of 753 dogs (183 males and 570 females) from 38 commercial kennels were clinically examined, and blood samples were collected for brucellosis diagnosis through blood culture...
March 13, 2017: Transboundary and Emerging Diseases
S S Hayer, R Ranjan, J K Biswal, S Subramaniam, J K Mohapatra, G K Sharma, M Rout, B B Dash, B Das, B R Prusty, A K Sharma, C Stenfeldt, A Perez, L L Rodriguez, B Pattnaik, K VanderWaal, J Arzt
The goal of this study was to characterize the properties and duration of the foot-and-mouth disease (FMD) carrier state and associated serological responses subsequent to vaccination and naturally occurring infection at two farms in northern India. Despite previous vaccination of cattle in these herds, clinical signs of FMD occurred in October 2013 within a subset of animals at the farms containing juvenile-yearling heifers and steers (Farm A) and adult dairy cattle (Farm B). Subsequent to the outbreak, FMD virus (FMDV) asymptomatic carriers were identified in both herds by seroreactivity to FMDV non-structural proteins and detection of FMDV genomic RNA in oropharyngeal fluid...
March 2, 2017: Transboundary and Emerging Diseases
K P Dalton, I Nicieza, A Podadera, D de Llano, J M Martin Alonso, J R de Los Toyos, M García Ocaña, F Vázquez-Villa, B Velasco, O Landeta, F Parra
This work describes a simple and rapid test for field detection of the emerging rabbit pathogen RHDVb. The assay is specific for RHDVb, showing no cross-reactivity with other RHDV types giving a specific result in under 10 min using rabbit liquid exudates or liver homogenate samples taken at necropsy.
February 28, 2017: Transboundary and Emerging Diseases
P K Ray, P A Desingu, S Kumari, J K John, M Sethi, G K Sharma, B Pattnaik, R K Singh, G Saikumar
Porcine sapelovirus (PSV) A belongs to the genus Sapelovirus, family Picornaviridae. PSV infections in pigs have been reported from European countries, United States, Japan, China, Korea and Brazil. The virus has been isolated/detected from faeces of healthy pigs as well as those affected with diarrhoea, respiratory signs, encephalitis, skin lesions and fertility disorders. This study was planned to investigate whether PSV is prevalent among pigs in India and to characterize PSV encountered in the study population...
February 27, 2017: Transboundary and Emerging Diseases
J Verdezoto, E Breard, C Viarouge, H Quenault, P Lucas, C Sailleau, S Zientara, D Augot, S Zapata
Bluetongue virus (BTV) and Epizootic haemorrhagic disease virus (EHDV) are closely related Orbiviruses that affect domestic and wild ruminants. In Ecuador previous serological studies reported the presence of BTV; however, no data are available about the presence of EHDV. In this study, 295 cattle without symptoms of infection were sampled from two farms located in Andean and Amazonian regions and from a slaughterhouse in the coastal region. ELISA analyses showed high prevalence of BTV (98.9%) and EHDV (81...
February 26, 2017: Transboundary and Emerging Diseases
E Papadopoulos, A Komnenou, A Thomas, E Ioannidou, V Colella, D Otranto
Thelazia callipaeda (Spirurida, Thelaziidae), the so-called oriental eyeworm, has been increasingly reported as an agent of infection in animals and humans from many European countries. Clinical signs range from subclinical to moderate or severe ocular disorders (e.g., epiphora, photophobia, conjunctivitis, keratitis, ulcers). The disease has been also diagnosed in animals from countries of the Balkan area (e.g., Croatia, Bosnia and Herzegovina and Serbia), but only a single case of canine thelaziosis, presumably autochthonous, was reported in Northern Greece...
February 26, 2017: Transboundary and Emerging Diseases
A Mercier, E Arsevska, L Bournez, A Bronner, D Calavas, J Cauchard, S Falala, P Caufour, C Tisseuil, T Lefrançois, R Lancelot
After its introduction in Turkey in November 2013 and subsequent spread in this country, lumpy skin disease (LSD) was first reported in the western Turkey in May 2015. It was observed in cattle in Greece and reported to the World Organization for Animal Health (OIE) in August 2015. From May 2015 to August 2016, 1,092 outbreaks of lumpy skin disease were reported in cattle from western Turkey and eight Balkan countries: Greece, Bulgaria, The Former Yugoslav Republic of Macedonia, Serbia, Kosovo, and Albania...
February 26, 2017: Transboundary and Emerging Diseases
M B de Rezende, H M Herrera, C M E Carvalho, E A Carvalho Anjos, C A N Ramos, F R de Araújo, J M Torres, C E de Oliveira
The multihost parasites Leishmania spp. infect a broad range of wild mammalian species including bats. Several species of bats have adapted to a variety of food resources and shelters in urban areas. This study aimed to detect Leishmania spp. DNA in bats present in forest fragments located in metropolitan areas endemic for leishmaniasis in Campo Grande, Mato Grosso do Sul (MS), Brazil. Blood samples were obtained from 80 individuals, including eight species of Phyllostomidae and one species of Vespertilionidae...
February 24, 2017: Transboundary and Emerging Diseases
F Pfaff, K Schlottau, S Scholes, A Courtenay, B Hoffmann, D Höper, M Beer
In June 2013, a 4-year-old Welsh Mountain ewe and in March 2014 a 10-day-old lamb of the same breed and the same flock presented progressive neurological signs including depressed sensorium, tremor, and unusual behaviour. Neuropathological examination of the brain and spinal cord detected non-suppurative polioencephalomyelitis and dorsal root ganglionitis, characteristic of a neurotropic viral agent in both sheep. Metagenomic analysis of different tissue samples from both animals identified a novel Ovine Astrovirus (OvAstV)...
February 22, 2017: Transboundary and Emerging Diseases
D O Ehizibolo, A Haegeman, A R De Vleeschauwer, J U Umoh, H M Kazeem, E C Okolocha, S Van Borm, K De Clercq
The knowledge of foot-and-mouth disease virus (FMDV) dynamics and epidemiology in Nigeria and the West Africa subregion is important to support local and regional control plans and international risk assessment. Foot-and-mouth disease virus serotype South African territories (SAT)1 was isolated, identified and characterized from an FMD outbreak in cattle in Nigeria in 2015, 35 years after the last report of FMDV SAT1 in West Africa. The VP1 coding sequence of the Nigerian 2015 SAT1 isolates diverges from reported SAT1 topotypes resulting in a separate topotype...
February 21, 2017: Transboundary and Emerging Diseases
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