Table 2 Histopathology and immunochemistry for RVFV antigen.

Sheep ID	Group	DPC	Avg H Score	IHC	H Other Organs	IHC+
63	Mock	4	3	+	s, k, ln, lu	s, k, ln, lu
69	Mock	4	3	+	s, k, ln, lu	s, k, ln, lu
65	Mock	7	2	+	k	−
68	Mock	7	2	+	−	−
71	Mock	7	2	+	a	a
62	Vac	7	0	−	I	−
66	Vac	7	0	−	k	−
67	Vac	7	0	−	k	−
70	Vac	7	0	−	k	−

Avg H Score is average hepatic histopathology score on a scale from 0, no lesions to 3 severe lesions. DPC is days post challenge. IHC is the Liver RVFV IHC for viral antigen result. H Other Organs is histopathology in organs other than the liver. IHC + lists organs that were positive for viral antigen. Key: + = positive for viral antigen by IHC, − = negative for viral antigen on IHC, s = spleen, k = kidney, ln = lymph node, lu = lung, a = adrenal and i = intestine.

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