Table 1.

Summary of indirect immunofluorescence staining of infected Vero cells to detect MPXV-reactive IgG in pig serum. Detection of IgG was performed with goat anti-pig IgG polyclonal antibodies.

Groups	Pig #ID	7 DPC	14 DPC	21 DPC
Principal-infected pigs	17	+	+	N/A
	19	+	N/A	N/A
	20	−	+	N/A
	21	−	−	+
	23	+	N/A	N/A
	24	+	+	+
Sentinel pigs	16	−	+	+
	18	−	−	−

DPC = days post-challenge; N/A = not applicable; “+” = positive; “−“ = negative.