The order of prime-boost vaccination of neonatal calves with Mycobacterium bovis BCG and a DNA vaccine encoding mycobacterial proteins Hsp65, Hsp70, and Apa is not critical for enhancing protection against bovine tuberculosis

Margot A. Skinner, D. Neil Wedlock, Geoffrey W. De Lisle, Michèle M. Cooke, Ricardo E. Tascon, Jose C. Ferraz, Douglas B. Lowrie, H. Martin Vordermeier, R. Glyn Hewinson, Bryce M. Buddle*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

60 Citations (Scopus)

Abstract

Priming neonatal calves at birth with a Mycobacterium bovis bacillus Calmette-Guérin (BCG) vaccine and boosting with a DNA vaccine consisting of plasmids encoding mycobacterial antigens Hsp65, Hsp10, and Apa or the reverse prime-boost sequence induced similar levels of protection against experimental challenge with Mycobacterium bovis. When M. bovis was isolated from a thoracic lymph node following challenge, the two groups of calves given the prime-boost regimen had significantly lower numbers of M. bovis isolates than those vaccinated with BCG alone. These observations suggest that the exact sequence of administration of a prime-boost vaccination regimen in a neonatal animal model is not critical to the development of immunity.

Original languageEnglish
Pages (from-to)4441-4444
Number of pages4
JournalInfection and Immunity
Volume73
Issue number7
Early online date21 Jun 2005
DOIs
Publication statusPublished - 01 Jul 2005

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