Hemorrhage of uterine horns and adipose tissue associated with the round ligament, hyperemic areas associated with the ovaries and inflamed oviducts, and hepatomegaly
All tissues positive for antigen except for brain
26/28
17
PD19
>20
+
+
Inappetence
Lymphadenopathy, hemorrhagic foci in the adipose tissue associated with lymph nodes and multiple, mild foci of serosal hemorrhage on the lungs
Peritesticular adipose tissue
14/28
24
PD20
5
+
N.E.
N.O.
N.O.
N.E.
0/28
PD22
20
+
N.E.
N.O.
Pericarditis
N.E.
1/28
Groups of prairie dogs were serially sacrificed (days 2, 4, 6, 9, 12, 17, and 24) following challenge (). Animals were observed for clinical symptoms, antibody production, and lesion presentation. Gross observations were recorded and postmortem samples were evaluated for presence of virus and histopathological changes. R.D.: respiratory depression under anesthesia; N.O.: nothing observed; N.E. not examined. †: unscheduled death.