TABLE 2.
Comparison of the performance between microscopy and PCR in the detection of Cryptosporidium spp. in storm water samples from the Ashokan, Malcolm, and N5 basins
| Watershed | Sampling site | Total no. of samples | No. of samples
|
Total no. of genotypes | No. of genotypes per sample
|
||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Microscopy positive | PCR positive | 0 | 1 | 2 | 3 | 4 | >4 | ||||
| Malcolm Brook | MB3 | 44 | 22/40 | 41/44 | 14/22 | 3 | 15 | 13 | 10 | 2 | 1 |
| Malcolm Brook | MB9 | 6 | 0/6 | 0/6 | 0/22 | 6 | 0 | 0 | 0 | 0 | 0 |
| N5 basin | N51 | 44 | 27/40 | 40/44 | 18/22 | 4 | 9 | 8 | 6 | 8 | 9 |
| Ashokan Brook | E13i | 27 | 14/27 | 26/27 | 12/22 | 1 | 14 | 10 | 2 | 0 | 0 |