Table III.

Cross Bactericidal Titers between GNA1879 Variants

Bactericidal titers
SeraMC58
 (variant 1)961-5945
 (variant 2)M1239
 (variant 3)
Anti-variant 164,000256<4
Anti-variant 2<416,000128a
Anti-variant 3<42,04816,000
  • a The positive titer was found with sera from mice immunized with alum, but not in sera from mice immunized with Freund's adjuvant.