Table 1.
Occurrence and distribution of Cryptosporidium species in WWTP effluents in Shanghai, China
Sampling site | No. of samples | IMS-IFA | Nested PCRa | ||
---|---|---|---|---|---|
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|
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No. of positive samples (%) | Mean ± SD oocysts/L (range) | No. of positive samples (%) | Species (No. of positive samples) | ||
WWTP1 | 16 | 13 (81) | 0.30 ± 0.37 (0–0.93) | 10 (62) | C. muris (9), rat genotype I (2), C. hominis (1), C. meleagridis (1), C. canis (1), C. baileyi (1), rat genotype IV (1) |
WWTP2 | 18 | 6 (33) | 0.093 ± 0.16 (0–0.47) | 4 (22) | C. suis-like (2), C. meleagridis (3), C. parvum (1), C. muris (1) |
WWTP3 | 16 | 12 (75) | 0.088 ± 0.083 (0–0.27) | 6 (38) | C. muris (3), C. parvum (2), C. meleagridis (2), C. felis (1), C. suis-like (1) |
Data from PCR and PMA-PCR combined.