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    Vaccine. 2008 Jul 23;26(31):3842-52. Epub 2008 Jun 2.

    A recombinant subunit vaccine formulation protects against lethal Nipah virus challenge in cats.

    Source

    CSIRO Livestock Industries, Australian Animal Health Laboratory, 5 Portarlington Road, Geelong, Victoria 3220, Australia.

    Abstract

    Nipah virus (NiV) and Hendra virus (HeV) are closely related deadly zoonotic paramyxoviruses that have emerged and re-emerged over the last 10 years. In this study, a subunit vaccine formulation containing only recombinant, soluble, attachment glycoprotein from HeV (sG(HeV)) and CpG adjuvant was evaluated as a potential NiV vaccine in the cat model. Different amounts of sG(HeV) were employed and sG-induced immunity was examined. Vaccinated animals demonstrated varying levels of NiV-specific Ig systemically and importantly, all vaccinated cats possessed antigen-specific IgA on the mucosa. Upon oronasal challenge with NiV (50,000TCID50), all vaccinated animals were protected from disease although virus was detected on day 21 post-challenge in one animal. The ability to elicit protective systemic and mucosal immunity in this animal model provides significant progress towards the development of a human subunit vaccine against henipaviruses.

    PMID:
    18556094
    [PubMed - indexed for MEDLINE]

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