Table 5.

Nested-PCR results in urban sewage samples from different countriesa

SampleHAdBKVJCVSV40
Site 2 (Umeå)
 UMEA1+ (−2)+ (0)+ (−2)
 UMEA2+ (0)+ (−1)
 UMEA3+ (0)+ (0)+ (−2)
 UMEA4+ (−1)+ (0)+ (−1)
Site 3 (Nancy)
 NANCY1+ (−2)+ (−1)+ (−3)
 NANCY2+ (−2)+ (−1)+ (−3)
 NANCY3+ (−1)+ (−1)+ (−3)
 NANCY4+ (−2)+ (0)+ (−2)
Site 4 (Pretoria)
 PRETORIA1+ (−1)+ (−2)+ (−2)
 PRETORIA2+ (−3)+ (−1)+ (−1)
 PRETORIA3+ (−3)+ (−1)+ (−1)
 PRETORIA4+ (−2)+ (−1)+ (−1)
  • a Results obtained after nested-PCR analysis of 4 ml of sewage for sites 2 and 3 and 1.2 ml of sewage for site 4. HAd, human Ad; +, positive; −, negative. The numbers in parentheses are the highest decimal dilutions positive by nested PCR.