ArticleViral immunology2010
Immunogenicity of avian H5N1 influenza virus recombinant vaccines in cats.
Article in Viral immunology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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0 citing papers in PubMed, 3 citations in OpenAlex.
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7 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Confirmed reports of large domesticated cats becoming infected with highly pathogenic avian influenza (HPAI) H5N1 virus have raised questions about both the risk of infection for these animals, and their potential as vector or reservoir hosts in an influenza pandemic. With this in mind, we examined the immunogenicity of the hemagglutinin (HA) of H5N1 strain A/Vietnam/1203/04 using several different vaccination strategies. Data from ELISA assays showed that vaccination with a single dose of recombinant H5 HA protein induces a robust antibody response against both whole inactivated virus and recombinant HA antigen. Moreover, a single dose of the recombinant H5 HA protein induced hemagglutination inhibition titers >or=40, which is indicative of protective immunization. Cats receiving the IND H5N1 vaccine required two doses before similar H5 HA-specific antibody titers were observed, and despite boosting, these animals had HIA titers that were lower than or equivalent to those in the group receiving one injection of recombinant protein. In contrast, cats vaccinated with plasmid DNA encoding HA failed to develop HA-specific antibody responses above those seen in cohorts receiving an unrelated control plasmid. The results of this study indicate that recombinant H5 HA protein-based vaccines can rapidly induce high serum antibody titers, and may be more effective than either inactivated influenza virus or DNA vaccines in cats.
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