Table 2.
MAP test surveys for presence of viruses in biological materials
| Year of study (reference) | Biological material(s) evaluated | Number tested | Contamination Rate (%) |
|---|---|---|---|
| 1972 (34) | Murine leukemia viruses, implantable tumors | 465 | 69 |
| 1987 (6) | Tumor lines | 58 | 52 |
| Hybridomas | 77 | 8 | |
| 1993 (24) | Tumors | 295 | 25 |
| Cell lines | 109 | 4 | |
| mAb preparations or hybridomas | 60 | 2 | |
| 2000 (25) | Cell lines, tumors | 96 | 9 |