Table 1. Sample material and polyomavirus content.
| Sample material | No. of tested samples | No. (%) of polyomavirus-positive samples |
| Blood | 139 | 2 (1) |
| Spleen | 126 | 25 (20) |
| Feces | 117 | 3 (3) |
| Lung | 106 | 7 (7) |
| Kidney | 70 | 0 (0) |
| Lymph node | 63 | 10 (16) |
| Intestine | 41 | 6 (15) |
| Liver | 35 | 2 (6) |
| Chimp meal remaina | 22 | 1 (5) |
| Urine | 21 | 0 (0) |
| Muscle | 17 | 3 (18) |
| Heart | 11 | 0 (0) |
| Skin | 7 | 3 (43) |
| Stomach | 7 | 0 (0) |
| Thymus | 5 | 0 (0) |
| Pancreas | 3 | 0 (0) |
| Bone marrow | 2 | 0 (0) |
| total | 792 | 61 (8) |
a
Muscle or other tissues from red colobus monkeys partly consumed by chimpanzees.