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Veterinary Infectious Diseases Commons™
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Articles 1 - 21 of 21
Full-Text Articles in Veterinary Infectious Diseases
Public Perception Of Equine Rabies And Its Implications For Future Education And Preventative Strategies, Kya Walton
Public Perception Of Equine Rabies And Its Implications For Future Education And Preventative Strategies, Kya Walton
Honors College Theses
This study examined the rabies knowledge, vaccination, and risks of exposures of horse owners/overseers across the state of Kentucky. Research was conducted to determine the need for public health educators and veterinarians to inform the public on rabies. Survey results concluded that respondents' general knowledge of rabies transmission and mortality rate was respectable, but knowledge relating to equine vaccination was comparatively lower. A weak inverse relationship was observed between general rabies knowledge and concern over an individual’s horses contracting rabies. A weak positive correlation was determined when looking into general rabies knowledge and the likelihood of vaccinating an individual’s horses. …
Surveillance Of A Novel Vesivirus Discovered In An Urban Mephitis Mephitis Population, Amanda E. Diggins
Surveillance Of A Novel Vesivirus Discovered In An Urban Mephitis Mephitis Population, Amanda E. Diggins
Honors Theses and Capstones
Caliciviridae is a family of non-enveloped, positive-sense, single stranded RNA viruses, including eleven defined genera that contain important pathogens of humans and animals. Within the Caliciviridae family, the genus Vesiviridae includes feline calicivirus, a leading cause of upper respiratory disease in cats, and vesicular exanthema of swine virus, a historical disease of domestic swine that has now been implicated in several marine mammal vesicular diseases, one of which has been confirmed zoonotic. Urban landscapes create a unique environment for rapid intra- and interspecies transmission of viruses. Clustered resources attract high-density populations of synanthropic wildlife species, increasing spatial overlap and heightening …
Whole Genome Sequencing Of West Nile Viruses From Animals Submitted To The Connecticut Veterinary Medical Diagnostic Laboratory (Cvmdl), Usa, 2021, Allison Appel
Honors Scholar Theses
West Nile Virus (WNV) causes a zoonotic disease. WNV was first isolated in Uganda in 1937 and has since become an endemic in countries such as North, South, and Central America [1]. According to the Connecticut Department of Public Health, an average of 8 cases of WNV in humans have been reported since the year 2000 [2]. In this study, we focused on the genetic characterization of the viral genomic RNA of WNVs circulating in birds and mammals in the New England region. Following that aim, the complete genome sequence of two WNVs was obtained via next-generation sequencing. One sample …
Evolution And Epidemiology Of Channel Catfish Virus (Ccv), Arun Venugopalan
Evolution And Epidemiology Of Channel Catfish Virus (Ccv), Arun Venugopalan
Theses and Dissertations
Channel catfish virus disease (CCVD) is the principal viral disease in the United States catfish industry. The CCVD is caused by channel catfish virus (CCV), with mortality reaching up to 100% in fingerlings. CCV is assigned taxonomically to the family Alloherpesviridae, genus Ictalurivirus, species Ictalurid herpesvirus 1 (IcHV-1). To date, virulence, immunogenicity, and genome plasticity of the CCV field isolates have not been investigated. Three genotypes of CCV (IcHV-1A, IcHV-1B, and BCAHV) were identified using restriction fragment length polymorphism (RFLP) analysis. Virulence assessment of three representative isolates of RFLP groups suggests that IcHV-1B (pooled survival [mean ± SE]: 58.3% ± …
Clinical Outcomes Of Immunomodulatory Therapies In The Management Of Covid-19: A Tertiary-Care Experience From Pakistan, Noreen Nasir, Salma Tajuddin, Sarah Khaskheli, Naveera Khan, Hammad Niamatullah, Nosheen Nasir
Clinical Outcomes Of Immunomodulatory Therapies In The Management Of Covid-19: A Tertiary-Care Experience From Pakistan, Noreen Nasir, Salma Tajuddin, Sarah Khaskheli, Naveera Khan, Hammad Niamatullah, Nosheen Nasir
Section of Internal Medicine
The pharmacological management of COVID-19 has evolved significantly and various immunomodulatory agents have been repurposed. However, the clinical efficacy has been variable and a search for cure for COVID-19 continues. A retrospective cohort study was conducted on 916 patients hospitalized with polymerase chain reaction (PCR)-confirmed COVID-19 between February 2020 and October 2020 at a tertiary care academic medical center in Karachi, Pakistan. The median age was 57 years (interquartile range (IQR) 46–66 years). The most common medications administered were Methylprednisolone (65.83%), Azithromycin (50.66%), and Dexamethasone (46.6%). Majority of the patients (70%) had at least two or more medications used in …
Environmental Sampling Techniques For Herd-Level Surveillance Of Bovine Viral Diarrhea Virus, Jaden Carlson
Environmental Sampling Techniques For Herd-Level Surveillance Of Bovine Viral Diarrhea Virus, Jaden Carlson
School of Veterinary and Biomedical Sciences: Dissertations, Theses, and Student Research
Control of Bovine Viral Diarrhea Virus (BVDV) relies on resource-intensive individual animal sampling to detect and remove persistently infected (PI) cattle. Herd-level surveillance tools would be useful for herds with unknown BVDV status and for monitoring herds with BVDV-free status. The overall objective of this thesis is to explore the viability of BVDV surveillance at a herd-level using samples collected without handling individual animals. The first objective was to determine the feasibility of using stable flies as a sampling tool to detect BVDV. The second objective was to determine the feasibility of using drinking water to detect BVDV. To accomplish …
Senecavirus A: Pathogenicity And Interactions With Host Cell Death Pathway, Maureen Hoch Vieira Fernandes
Senecavirus A: Pathogenicity And Interactions With Host Cell Death Pathway, Maureen Hoch Vieira Fernandes
Electronic Theses and Dissertations
Senecavirus A (SVA) is a positive sense single-strand RNA virus of the genus Senecavirus, family Picornaviridae. Senecavirus A is an emerging picornavirus of swine, which causes vesicular disease (VD) in pigs that is clinically indistinguishable from footand- mouth disease and other high consequence VDs of swine. There is evidence that SVA has been circulating in the US swine population since the late eighty’s, however, recently the virus emerged worldwide, and it has been associated with several VD outbreaks in pigs in many of the major swine producing countries. Despite the recent surge in the number of cases of …
Type 2 Bovine Viral Diarrhea Virus NPro Suppresses Type I Interferon Pathway Signaling In Bovine Cells And Augments Bovine Respiratory Syncytial Virus Replication, Abdulrahman Abdulaziz A. Alkheraif
Type 2 Bovine Viral Diarrhea Virus NPro Suppresses Type I Interferon Pathway Signaling In Bovine Cells And Augments Bovine Respiratory Syncytial Virus Replication, Abdulrahman Abdulaziz A. Alkheraif
School of Veterinary and Biomedical Sciences: Dissertations, Theses, and Student Research
Bovine viral diarrhea virus (BVDV) and bovine respiratory syncytial virus (BRSV) infections contribute to the bovine respiratory disease complex (BRDC), which is a multi-factorial disorder involving co-infections of viruses and bacteria including mycoplasma. BRDC causes great economic losses to the United States feedlot industry. BVDV infection induces immunosuppression in infected animals. BVDV Npro binds and degrades the transcription factor interferon regulatory factor-3 (IRF-3) and effectively blocks type I interferon (type I IFN) expression in host cells. BRSV nonstructural proteins, NS1 and NS2, block activation of IRF-3. In calves, concurrent infection with BVDV and BRSV resulted in more severe clinical …
Cellular And Molecular Basis Of Equine Arteritis Virus Persistent Infection In The Stallion Reproductive Tract: Characterization Of Local Host-Pathogen Interactions Mediating Long-Term Viral Persistence, Mariano Carossino
Theses and Dissertations--Veterinary Science
Equine arteritis virus (EAV) has a global impact on the equine industry being the causative agent of equine viral arteritis (EVA), a reproductive, respiratory, and systemic disease of equids. A distinctive feature of EAV infection is that it establishes long-term persistent infection in the reproductive tract of stallions and is continuously shed in the semen (carrier state). Recent studies showed that long-term persistence is associated with a specific allele of the CXCL16 gene (CXCL16S). However, the cellular and molecular mechanisms underlying the establishment and maintenance of persistent infection are yet to be determined. The studies were undertaken herein …
Cross-Reactive Immunity To Porcine Reproductive And Respiratory Syndrome Virus And Its Contribution To Protection, Ignacio Correas
Cross-Reactive Immunity To Porcine Reproductive And Respiratory Syndrome Virus And Its Contribution To Protection, Ignacio Correas
School of Veterinary and Biomedical Sciences: Dissertations, Theses, and Student Research
Due to the vast geographical distribution and significant economic losses generated, porcine reproductive and respiratory syndrome virus (PRRSV) can be considered the most important swine pathogen of contemporary times. Current control and eradication strategies against PRRSV have difficulty succeeding because of their complex nature and the absence of an effective vaccine. A major obstacle for PRRSV vaccine development is the broad heterogeneity of the virus, both at the genetic and antigenic level, its rapid evolution, and an incomplete knowledge of the immune responses responsible for clearing the virus from the host. Specifically, how known correlates of protection against PRRSV—neutralizing antibodies …
Surveillance, Epidemiological, And Virological Detection Of Highly Pathogenic H5n1 Avian Influenza Viruses In Duck And Poultry From Bangladesh, Wahedul Karim Ansari, Md Safiullah Parvej, Mohamed E. El Zowalaty, Sally Jackson, Stephen A. Bustin, Adel K. Ibrahim, Md Tanvir Rahman, Han Zhang, Mohammad Ferdousur Rahman Khan, Md Mostakin Ahamd, Md. Fasiur Rahman, Marzia Rahman, Khm Nazmul H. Nazir, Sultan Ahmed, Md Liakot Hossenn, Md Abdul Kafi, Mat Yamage, Nitish C. Debnath, Graba Ahmed, Hossam Ashour, Md Masoud, Ayman Noreddin, Md B. Rahman
Surveillance, Epidemiological, And Virological Detection Of Highly Pathogenic H5n1 Avian Influenza Viruses In Duck And Poultry From Bangladesh, Wahedul Karim Ansari, Md Safiullah Parvej, Mohamed E. El Zowalaty, Sally Jackson, Stephen A. Bustin, Adel K. Ibrahim, Md Tanvir Rahman, Han Zhang, Mohammad Ferdousur Rahman Khan, Md Mostakin Ahamd, Md. Fasiur Rahman, Marzia Rahman, Khm Nazmul H. Nazir, Sultan Ahmed, Md Liakot Hossenn, Md Abdul Kafi, Mat Yamage, Nitish C. Debnath, Graba Ahmed, Hossam Ashour, Md Masoud, Ayman Noreddin, Md B. Rahman
Pharmacy Faculty Articles and Research
Avian influenza viruses (AIVs) continue to pose a global threat. Waterfowl are the main reservoir and are responsible for the spillover of AIVs to other hosts. This study was conducted as part of routine surveillance activities in Bangladesh and it reports on the serological and molecular detection of H5N1 AIV subtype. A total of 2169 cloacal and 2191 oropharyngeal swabs as well as 1725 sera samples were collected from live birds including duck and chicken in different locations in Bangladesh between the years of 2013 and 2014. Samples were tested using virus isolation, serological tests and molecular methods of RT-PCR. …
The Mucosal Expression Pattern Of Interferon-Ε In Rhesus Macaques, Andrew Demers, Guobin Kang, Fangrui Ma, Wuxun Lu, Zhe Yuan, Yue Li, Mark Lewis, Edmundo N. Kraiselburd, Luis Montaner, Qingsheng Li
The Mucosal Expression Pattern Of Interferon-Ε In Rhesus Macaques, Andrew Demers, Guobin Kang, Fangrui Ma, Wuxun Lu, Zhe Yuan, Yue Li, Mark Lewis, Edmundo N. Kraiselburd, Luis Montaner, Qingsheng Li
Qingsheng Li Publications
Type I IFNs play an important role in innate and adaptive immunity against viral infections. A novel type I IFN, namely IFN-ε, which can protect against vaginal transmission of HSV2 and Chlamydia muridarum bacterial infection, has been described in mice and humans. Nevertheless, the principle cell type and the expression pattern of IFN-ε in tissues remain uncertain. In addition, the expression of IFN-ε in Indian rhesus macaques (Macaca mulatta) has not been reported. Here, we analyzed IFN-ε expression in multiple mucosal sites of uninfected or SIV-infected Indian rhesus macaques using IHCS. We report for the first time the …
Bovine Herpesvirus 1 Productive Infection Stimulates Inflammosome Formation And Caspase 1 Activity, Jianlin Wang, Jeffrey Alexander, Matthew S. Wiebe, Clinton J. Jones
Bovine Herpesvirus 1 Productive Infection Stimulates Inflammosome Formation And Caspase 1 Activity, Jianlin Wang, Jeffrey Alexander, Matthew S. Wiebe, Clinton J. Jones
Nebraska Center for Virology: Faculty Publications
Bovine herpesvirus 1 (BoHV-1), a significant viral pathogen of cattle, causes inflammation in affected tissue during acute infection. Consequently, we tested whether productively infected bovine cells stimulate inflammasome formation. Expression of two components required for inflammasome formation, the DNA sensor IFI16 (gamma-interferon-inducible protein 16) and NLRP3 (NOD-like receptor family, pyrin domain containing 3), were induced in bovine kidney cells by eight hours after infection. IFI16 was detected in punctate granules localized to the cytoplasm and nucleus. During productive infection, more than ten times more cells were caspase 1 positive, which is activated following inflammasome formation. Two caspase 1 inhibitors had …
Assessment Of Introduction Pathway For Novel Avian Influenza Virus Into North America By Wild Birds From Eurasia, Ryan S. Miller, Steven J. Sweeney, Judy E. Akkina, Emi K. Saito
Assessment Of Introduction Pathway For Novel Avian Influenza Virus Into North America By Wild Birds From Eurasia, Ryan S. Miller, Steven J. Sweeney, Judy E. Akkina, Emi K. Saito
Zoonotics and Wildlife Disease: Publications
A critical question surrounding emergence of novel strains of avian influenza viruses (AIV) is the ability for wild migratory birds to translocate a complete (unreassorted whole genome) AIV intercontinentally. Virus translocation via migratory birds is suspected in outbreaks of highly pathogenic strain A(H5N1) in Asia, Africa, and Europe. As a result, the potential intercontinental translocation of newly emerging AIV (e.g. A(H7N9) from Eurasia to North America via migratory movements of birds) remains a concern. An estimated 1.48 to 2.91 million aquatic birds, principally Anseriformes (ducks, geese, and swans) and Charadriiformes (gulls, terns, and shorebirds) move annually between Eurasia and North …
Isolation Of A Novel Swine Influenza Virus From Oklahoma In 2011 Which Is Distantly Related To Human Influenza C Viruses, Ben Hause, Mariette Ducatez, Emily A. Collin, Zhiguang Ran, Runxia Liu, Zizhang Sheng, Anibal Armien, Bryan Kaplan, Suvobrata Chakravarty, Adam D. Hoppe, Richard J. Webby, Randy R. Simonson, Feng Li
Isolation Of A Novel Swine Influenza Virus From Oklahoma In 2011 Which Is Distantly Related To Human Influenza C Viruses, Ben Hause, Mariette Ducatez, Emily A. Collin, Zhiguang Ran, Runxia Liu, Zizhang Sheng, Anibal Armien, Bryan Kaplan, Suvobrata Chakravarty, Adam D. Hoppe, Richard J. Webby, Randy R. Simonson, Feng Li
Chemistry and Biochemistry Faculty Publications
Of the Orthomyxoviridae family of viruses, only influenza A viruses are thought to exist as multiple subtypes and has nonhuman maintenance hosts. In April 2011, nasal swabs were collected for virus isolation from pigs exhibiting influenza-like illness. Subsequent electron microscopic, biochemical, and genetic studies identified an orthomyxovirus with seven RNA segments exhibiting approximately 50% overall amino acid identity to human influenza C virus. Based on its genetic organizational similarities to influenza C viruses this virus has been provisionally designated C/Oklahoma/1334/2011 (C/OK). Phylogenetic analysis of the predicted viral proteins found that the divergence between C/OK and human influenza C viruses was …
Development Of Repressible Systems To Control Gene Expression In Vaccinia Virus, Allison Titong
Development Of Repressible Systems To Control Gene Expression In Vaccinia Virus, Allison Titong
Master's Theses
Two vaccinia virus (VACV) expression systems that contain elements from the lactose (lac) and the tetracycline (tet) operons of E. coli were developed to repress the expression of a reporter gene, enhanced green fluorescent protein (EGFP), in the presence of tet operon inducers. In the first system, lac and tet operon elements were arranged in a gene circuit, and in the presence of increasing concentrations of a lac operon inducer (isopropyl-β-D-thiogalactoside, IPTG), EGFP expression increased in a dose dependent manner and at high IPTG concentrations, expression reached the same levels as a positive control virus. Importantly, in the …
Cell-Mediated Immunity In Porcine Reproductive And Respiratory Syndrome Virus, Rajeshwari Parida
Cell-Mediated Immunity In Porcine Reproductive And Respiratory Syndrome Virus, Rajeshwari Parida
School of Veterinary and Biomedical Sciences: Dissertations, Theses, and Student Research
Porcine reproductive and respiratory syndrome virus is a significant swine pathogen which exhibits considerable sequence diversity. In an attempt to identify highly conserved T-cell epitopes contained in proteins of this virus, we examined heptadecamer peptides spanning the sequence of the PRRSV nonstructural proteins 9, 10 and 11, all of them are highly conserved, for their ability to elicit a recall proliferative and interferon-gamma response in peripheral blood mononuclear cells obtained from pigs immunized against the type-II PRRSV strain FL-12. These studies led to the identification of seven peptides, two from each NSP 9 and NSP 10 and, three from NSP …
Tetanus And Rabies Eradication In Pakistan; A Mission Not Impossible, Mohammad Wasay, Ismail A. Khatri, Naseem Salahuddin
Tetanus And Rabies Eradication In Pakistan; A Mission Not Impossible, Mohammad Wasay, Ismail A. Khatri, Naseem Salahuddin
Department of Medicine
No abstract provided.
Premature Induction Of An Immunosuppressive Regulatory T Cell Response During Acute Simian Immunodeficiency Virus Infection, Jacob D. Estes, Qingsheng Li, Matthew R. Reynolds, Stephen W. Wietgrefe, Lijie Duan, Timothy Schacker, Louis J. Picker, David I. Watkins, Jeffrey D. Lifson, Cavan Reilly, John V. Carlis, Ashley T. Haase
Premature Induction Of An Immunosuppressive Regulatory T Cell Response During Acute Simian Immunodeficiency Virus Infection, Jacob D. Estes, Qingsheng Li, Matthew R. Reynolds, Stephen W. Wietgrefe, Lijie Duan, Timothy Schacker, Louis J. Picker, David I. Watkins, Jeffrey D. Lifson, Cavan Reilly, John V. Carlis, Ashley T. Haase
Qingsheng Li Publications
Here we report the results of an investigation into the possibility that one mechanism responsible for the establishment of persistent human immunodeficiency virus infection is an early regulatory T (Treg) cell response that blunts virus- specific responses. Using the simian immunodeficiency virus (SIV)–infected rhesus macaque model, we show that, indeed, viral replication and immune activation in lymphatic tissue drive a premature immunosuppressive response, with dramatic increases in the frequencies of CD4+CD25+FOXP3+ Treg cells, transforming growth factor–β1+ cells, interleukin–10+ cells, and indoleamine 2,3-dioxygenase+CD3+ cells.When we compared SIV infection with rhesus cytomegalovirus (RhCMV) …
Weast Nile Virus Serosurveillance In Iowa White-Tailed Deer (1999-2003), Julian Santatella, Robert Mclean, Jeffrey S. Hall, James S. Gill, Richard A. Bowen, Harlo H. Hadow, Larry Clark
Weast Nile Virus Serosurveillance In Iowa White-Tailed Deer (1999-2003), Julian Santatella, Robert Mclean, Jeffrey S. Hall, James S. Gill, Richard A. Bowen, Harlo H. Hadow, Larry Clark
United States Department of Agriculture Wildlife Services: Staff Publications
Sera from white-tailed deer (Odocoileus virginianus) were collected in Iowa during the winter months (1999-2003), 2 years before and after West Nile virus (WNV) was first reported in Iowa (2001), and were analyzed for antibodies to WNV. Samples from 1999 to 2001 were antibody negalive by blocking enzyme-linikedI immunosorbent assay (bELISA) and plaque reduction neutralization test (PRNT90). Prevalence derived from bELISA (2002, 12.7%; 2003. 11.2%) and WNV PRNT90 (2002,7.9%; 2003, 8.5%) assays were similar. All sanlples were negative for antibodies against St. Louis encephalitis virus as determined by PRNT90. Antibodies to flaviviruses were …
Quantitative Image Analysis Of Simian Immunodeficiency Virus Replication In Macrophages Coinfected With Mycobacterium Avium Complex, Qingsheng Li, Keith G. Mansfield, Andrew Lackner, Ashley T. Haase
Quantitative Image Analysis Of Simian Immunodeficiency Virus Replication In Macrophages Coinfected With Mycobacterium Avium Complex, Qingsheng Li, Keith G. Mansfield, Andrew Lackner, Ashley T. Haase
Qingsheng Li Publications
Mycobacterium avium is the most frequent cause of disseminated bacterial infection in patients with human immunodeficiency virus type 1 infection and in rhesus macaques with simian immunodeficiency virus (SIV) infection. This animal model of AIDS was used to test the hypothesis that this frequent association is the result of reciprocal enhancement of replication of both microorganisms. The replication of M. avium and SIV was analyzed in lymphatic tissues obtained from rhesus macaques experimentally inoculated with SIVmac who developed or remained free of overt M. avium infection. In situ hybridization, quantitative image analysis, and staining of M. avium and of macrophages …