Résultats de la recherche - 20 results

Effect of saliva stabilisers on detection of porcine reproductive and respiratory syndrome virus in oral fluid by quantitative reverse transcriptase real-time PCR.

Keywords: Animals Excipients Porcine respiratory and reproductive syndrome virus Real-Time Polymerase Chain Reaction Reverse Transcriptase Polymerase Chain Reaction RNA, Viral Saliva specimen handling Swine ...

Impact of a novel inactivated PRRS virus vaccine on virus replication and virus-induced pathology in fetal implantation sites and fetuses upon challenge.

Volume 78, Issue 7, p.1527-37 (2012) Keywords: Animals Antibodies, Viral Female Fetal Diseases Fetus Gestational Age Placenta Porcine Reproductive and Respiratory Syndrome Porcine respiratory and ...

Measurement of systemic and local respiratory cell-mediated immunity after influenza infection in chickens.

splenic and peripheral lymphocytes. In addition, protocols to isolate lymphocytes from the respiratory tract — the trachea and the lung — have been adapted for local CMI evaluation after similar ex vivo ...

Intranasal DNA vaccination induces potent mucosal and systemic immune responses and cross-protective immunity against influenza viruses.

induced by intranasal immunization using formulated DNA. We show that formulation with the DNA carrier polyethylenimine (PEI) improved by a 1,000-fold the efficiency of gene transfer in the respiratory ...

Development of a foot-and-mouth disease infection model in severe combined immunodeficient mice for the preliminary evaluation of antiviral drugs.

virus-induced morbidity (including respiratory problems and weight loss) with subsequent mortality. Inoculations with strain A₂₂ Iraq resulted in a reproducible mean time of death of 6 dpi (this was shorter for ...

Influenza A strain-dependent pathogenesis in fatal H1N1 and H5N1 subtype infections of mice.

respiratory distress syndrome. In the absence of any virus labeling, a histologist could readily distinguish infections caused by these 2 viruses. The different histologic features described in this study here ...

Prior infection with an H1N1 swine influenza virus partially protects pigs against a low pathogenic H5N1 avian influenza virus.

peripheral blood mononuclear cells. All control pigs showed clinical signs and H5N1 virus isolation from the respiratory tract post-challenge. The H1N1-immune pigs, in contrast, showed a complete clinical ...

Comparative pathogenesis of an avian H5N2 and a swine H1N1 influenza virus in pigs.

pathogenesis of a low pathogenic (LP) H5N2 AIV with that of an H1N1 swine influenza virus. The respiratory tract and selected extra-respiratory tissues were examined for virus replication by titration, ...

Vaccination of calves using the BRSV nucleocapsid protein in a DNA prime-protein boost strategy stimulates cell-mediated immunity and protects the lungs against BRSV replication and pathology.

Immunization, Secondary Interferon-gamma Lung Nucleocapsid Proteins Plasmids Pneumonia Respiratory Syncytial Virus Infections Respiratory Syncytial Virus Vaccines Respiratory Syncytial Virus, Bovine Vaccines, DNA ...

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