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Résultats de la recherche - 28 results
Comparison of single 1-day-old chick vaccination using a Newcastle disease virus vector with a prime/boost vaccination scheme against a highly pathogenic avian influenza H5N1 challenge.
virus Poultry Diseases Viral Vaccines Virus Shedding Abstract: Avian influenza (AI) vaccines should be used as part of a whole comprehensive AI control programme. Vectored vaccines based on Newcastle ...
The impact of viral tropism and housing conditions on the transmission of three H5/H7 low pathogenic avian influenza viruses in chickens.
Transcriptase Polymerase Chain Reaction RNA, Viral Viral Tropism Abstract: In this study, shedding and transmission of three H5 / H7 low pathogenic avian influenza viruses (LPAIV s) in poultry was characterized ...
Efficacy of chimeric Pestivirus vaccine candidates against classical swine fever: protection and DIVA characteristics.
Pestivirus Reverse Transcriptase Polymerase Chain Reaction Sus scrofa Swine Vaccination Vaccines, Attenuated Viral Vaccines Virus Shedding Abstract: Currently no live DIVA (Differentiating Infected from ...
A review of known and hypothetical transmission routes for noroviruses
a combination of prolonged shedding of high virus levels in feces, virus particle shedding during asymptomatic infections, and a high environmental persistence, NoVs are easily transmitted pathogens. Norovirus ...
Efficacy of rHVT-AI vector vaccine in broilers with passive immunity against challenge with two antigenically divergent Egyptian clade 2.2.1 HPAI H5N1 strains.
s) specific to H5N1 on the immunity and the efficacy (protection and virus shedding) of different vaccination programs including rHVT- H5 and inactivated H5N1 and H5N2 vaccines applied alone or in ...
Potency of a recombinant NDV-H5 vaccine against various HPAI H5N1 virus challenges in SPF chickens.
Avian Dis, Volume 56, Issue 4 Suppl, p.928-36 (2012) Keywords: Animals Antibodies, Viral Chickens Dose-Response Relationship, Immunologic Hemagglutinin Glycoproteins, Influenza Virus Immunity, Humoral ...
Susceptibility of pigeons to clade 1 and 2.2 high pathogenicity avian influenza H5N1 virus.
A Michał; Pikuła, Anna; Habyarimana, Adélite; Thierry van den Berg Source: Avian Dis, Volume 55, Issue 1, p.106-12 (2011) Keywords: Animals brain Columbidae Disease Susceptibility Influenza A Virus, H5N1 ...
Development of specific enzyme-linked immunosorbent assays to evaluate the duck immune response after experimental infection with H5N1 and H7N1 low pathogenic avian influenza viruses.
mucosal surface may play an important role not only in protection but also in limitation of the primary replication at the portal of entry and shedding of the virus. With this aim, specific enzyme-linked ...
Improved vaccination against Newcastle disease by an in ovo recombinant HVT-ND combined with an adjuvanted live vaccine at day-old.
Newcastle Disease Ovum Spleen Survival Analysis T-Lymphocytes Vaccination Vaccines, Attenuated Vaccines, Synthetic Viral Fusion Proteins Viral Vaccines Virus Shedding Abstract: The continuous outbreaks of ...
Comparative pathogenesis of an avian H5N2 and a swine H1N1 influenza virus in pigs.
positive cells and this was associated with reduced nasal shedding of the avian compared to the swine virus. The titers and distribution of the AIV varied extremely between individual pigs and were strongly ...