TABLE 1.

Development of antibody against Ixodes recombinant calreticulin antigen in C3H/HeN and BALB/c mice following I. scapularis feeding

MouseTick stageNo. of ticksAntibody titer
C3H/HeN
    1Nymph30-401:80
    2Nymph30-401:160
    3Nymph30-401:160
    4Larva200-3001:80
    5Larva200-3001:160
    6Larva200-3001:160
    7Larva200-3001:160
    8Larva100-200 (×2)a1:80
    9Larva100-200 (×2)1:160
    10NoneNone<1:80
    11NoneNone<1:80
BALB/c
    1Nymph10 (×2)1:80
    2Nymph10 (×2)1:80
    3NoneNone<1:80
    4NoneNone<1:80
  • a ×2, 2 weeks between double infestations.