TABLE 1.

B. pertussis strains used in this study

StrainRelevant feature(s)Reference
BPZE1Attenuated Smr BPSM derivative lacking the dnt gene and producing inactive pertussis toxin and reduced tracheal cytotoxin40
BPSQ5BPZE1 derivative producing BrkA-(SP70)3This study
BPSY13.1BPZE1 derivative producing FHA-(SP70)3This study
BPSY1brkA knockout BPZE1 derivativeThis study