Table 1.

Tuberculin skin test on guinea pigs injected via the intradermal route with 100 tuberculin units 9 weeks postinfectiona

Vaccination groupInduration diam (mm)
Individual determinationsMean ± SEM
BCG13.0, 12.5, 17.5, 13.5, 13.013.9 ± 0.9
MYC155216.0, 17.0, 13.515.5 ± 1.0
MYC15515.0, 12.0, 18.5, 11.0, 9.011.1 ± 2.2
  • a In all cases, the control group exhibited no reaction.