Table 5

Positive SV40 DNA results in 25 normal lung samples by type of assay in each laboratory

Lab 1Common+a++++++
Lab 2Common
Assay 2.1
Lab 3Common+
Assay 3.1
Assay 3.2
Lab 4Common
Lab 5Common
Assay 5.1
Assay 5.2
Lab 6Common++
Lab 7Common
Assay 7.1
Lab 8Common+¿
Assay 8.1
Lab 9Southern+
  • a The one aliquot was positive. Only a single aliquot from each normal lung specimen was tested in each laboratory. See footnote b of Table 4 for a description of symbol meanings.