Table 1 Occurrence and distribution of Cryptosporidium species in samples collected from wastewater treatment plants and in sewer samples, Guangzhou, China

WWTP1

66

13 (19.7%)

C. baileyi (3); rat genotype IV (3); C. meleagridis (2); C. muris (2); C. bovis (1); C. occultus (1); C. serpentis (1)

WWTP2

28

6 (21.4%)

C. muris (3); C. occultus (1); C. canis (1); C. parvum (1)

WWTP3

66

18 (27.3%)

C. baileyi (5); C. bovis (3); C. muris (3); C. felis (2); rat genotype IV (2); C. occultus (1); C. parvum (1); rat genotype I (1)

WWTP4

78

9 (11.5%)

Rat genotype IV (5); C. muris (4)

Sub-total

238

46 (14.3%)

C. muris (12); rat genotype IV (10); C. baileyi (8); C. bovis (4); C. occultus (3); C. meleagridis (2); C. parvum (2); C. felis (2); C. serpentis (1); C. canis (1); rat genotype I (1)

Sewer 1

11

1 (9.1)

Rat genotype IV (1)

Sewer 2

11

0

–

Sewer 3

11

0

–

Sewer 4

11

1 (9.1)

Rat genotype IV (1)

Sewer 5

11

1 (9.1)

Rat genotype IV (1)

Sewer 6

11

3 (27.7)

C. felis (3)

Sewer 7

11

3 (27.3)

C. felis (2), C. parvum (1)

Sewer 8

11

3 (27.3)

Rat genotype IV (1), C. parvum (1), C. baileyi (1)

Sub-total

88

12 (13.6%)

C. felis (5); Rat genotype IV (4); C. parvum (2); C. baileyi (1)

Total

326

58 (17.8%)

Rat genotype IV (14); C. muris (12); C. baileyi (9); C. felis (7); C. parvum (4); C. bovis (4); C. occultus (3); C. meleagridis (2); C. serpentis (1); C. canis (1); rat genotype I (1)