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Specific IgG(A) and IgE(B) antibody levels in sera of rabbits immunized with S. scabiei tropomyosin detected by ELISA. Rabbits were vaccinated four times with SsTm, QuilA and saline and challenged with approximately 2000 mites. Results are shown as means (± S.D.). OD values were determined as absorbance at 450 nm. V1, first vaccination; V2, second vaccination; V3, third vaccination; V4, fourth vaccination. *P < 0.01, compared with NS control group.
