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Vaccine. 2000 Sep 15;19(2-3):358-66.

Protection conferred by a fully recombinant sub-unit vaccine against Yersinia pestis in male and female mice of four inbred strains.

Author information

  • 1DERA, Chemical and Biological Defence Sector, Porton Down, Wiltshire SP4 OJQ, Salisbury, UK. SteveMJones1@hotmail.com

Abstract

In this paper, we describe for the first time the use of a fully recombinant sub-unit vaccine for plague. We have compared the protection afforded by the recombinant vaccine against Yersinia pestis in male and female mice of four inbred strains. We also determined the in vivo cellular memory and antibody response after one year. The recombinant vaccine was capable of inducing protective immunity, against subcutaneous and aerosol challenge, in mice from all four strains. Although, there was some breakthrough in the CBA males challenged with 10(7) median lethal dose (MLDs) the other mice regardless of sex or strain were well protected even at this extreme challenge dose. In both male and female mice, the specific IgG titres to both antigens peaked at day 28 and 35 and in female mice these titres were maintained for >1 year.

PMID:
10930691
[PubMed - indexed for MEDLINE]
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