Table 4. Detection of SARS-CoV-2 by real-time reverse transcription PCR of tissue samples from experimentally inoculated pigs*.

Pig ID	dpi	No. samples tested	No. samples positive
20–01	3	35	0
20–09	3	35	0
20–02	5	36	0
20–10	5	35	0
20–03	7	35	0
20–11	7	35	0
20–04	9	35	0
20–12	9	34	0
20–05	11	35	0
20–13	11	36	0
20–06	13	35	1
20–14	13	35	0
20–07	15	36	0
20–15	15	35	0
20–08	22	35	0
20–18	22	35	0
20–16	29	35	0
20–17	29	35	0
*Tissue samples were collected from pigs during necropsy from skeletal muscle, abdominal fat, liver, spleen, pancreas, duodenum, jejunum, ileum, spiral colon, kidney, gastrohepatic and mesenteric lymph nodes, right cranial lung lobe, right middle lung lobe, right caudal lung lobe, left cranial lung lobe, left caudal lung lobe, trachea, heart, tracheobronchial lymph nodes, cervical spinal cord, meninges, cerebrum, cerebellum, brainstem, olfactory bulb, nasal turbinates, submandibular lymph nodes, tonsils, trigeminal ganglion, and the entire eye. Bold text indicates clinically significant results. dpi, days postinoculation; ID, identification; SARS-CoV-2, severe acute respiratory syndrome coronavirus 2.