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Figure 2. Histological findings after KLN-205 inoculation. (A–D) Histological sections of the KLN-205-vaccine group. (A,B) Hematoxylin and eosin (H&E) staining of the tongue from a mouse in the vaccine group at 24 hrs after KLN-205 inoculation. (C,D) H&E staining of the tongue in the vaccine group at 20 days. (E–H) Histological sections of the control group. (E,F) H&E staining of the tongue from a mouse in the control group at 24 hrs. (G,H) H&E staining of the tongue in the control group at 20 days. Scale bars = 100 µm (A,E,C,G), 50 µm (B,F), and 20 µm (D,H).
