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Infection and Immunity, May 1999, p. 2624-2626, Vol. 67, No. 5
AgResearch, Wallaceville Animal Research
Centre, Upper Hutt, New Zealand
Received 14 October 1998/Returned for modification 1 December
1998/Accepted 27 January 1999
Four nutritionally impaired strains of Mycobacterium
bovis produced by illegitimate recombination were tested for
their ability to protect guinea pigs against intratracheal challenge
with virulent M. bovis. All four strains and M. bovis BCG induced significant levels of protection as measured by
the reduced spread of infection to the spleen and liver. In
animals vaccinated with BCG or two of the other strains, the bacterial
counts from the lungs were significantly lower than those of the
nonvaccinated animals.
0019-9567/99/$04.00+0
Copyright © 1999, American Society for Microbiology. All rights reserved.
Vaccination of Guinea Pigs with Nutritionally Impaired Avirulent
Mutants of Mycobacterium bovis Protects against
Tuberculosis
*
Corresponding author. Mailing address: AgResearch,
Wallaceville Animal Research Centre, P.O. Box 40-063, Upper Hutt, New
Zealand. Phone: 64 4 5286 089. Fax: 64 4 5281 380. E-mail:
delisleg{at}agresearch.cri.nz.
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