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. 2021 Sep 24;83(11):1722–1725. doi: 10.1292/jvms.21-0338

Fig. 1.

Fig. 1.

Box plot with outliers on the enzyme-linked immunosorbent assay (ELISA) to detect antibodies against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike protein. Clinical samples of canine plasma obtained from July 2020 to January 2021 (n=494), stocked anti-canine respiratory coronavirus (CRCoV)-positive samples (n=16), and stocked canine coronavirus (CCoV) samples (n=7) were examined. The solid and dashed lines represent the mean + two standard deviations (SDs) and 3 SDs of the negative control samples, respectively.