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FEMS Microbiol Lett. 1993 Mar 1;107(2-3):211-6.

Mice are protected against Bordetella pertussis infection by intra-nasal immunization with filamentous haemagglutinin.

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1
Department of Pharmaceutical Sciences, Nottingham University, UK.

Abstract

Intra-nasal immunization of mice with purified Bordetella pertussis filamentous haemagglutinin (FHA) or a crude cell sonicate was shown to protect against subsequent B. pertussis aerosol challenge. Immunization with FHA was found to be the most effective and resulted in complete clearance of the bacterial infection from the lungs within 14 days. Serum IgG and lung IgA anti-FHA antibodies were detectable within 4 weeks of the first immunization and anamnestic responses were seen following secondary immunization and subsequent challenge with B. pertussis. Nasal administration of pertussis antigens is a route which induces good systemic serum, as well as local secretory, antibody responses.

[Indexed for MEDLINE]

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