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. 2018 Nov 13;15:174. doi: 10.1186/s12985-018-1089-1

Fig. 4.

Fig. 4

RVNA response induced by reduced injections of HDCV-CpG. Balb/c mice (n = 10) were immunized i.m. with HDCV for 5 injections and HDCV plus CpG for 5, 4, 3 and 2 injections. Serum samples were collected on D35. RFFIT was used to detect RVNA in the sera of mice. The antibody titer was expressed in international units per milliliter (IU/ml), calculated in comparison with the national reference standard serum