Table 3 Internal transcribed spacer genotypes of Enterocytozoon bieneusi in samples collected from wastewater treatment plants and in sewer samples, Guangzhou, China

WWTP1

66

35 (53.0%)

D (27); Peru8 (4); Type IV + D (2); GZW1^a (1); EbpC (1)

WWTP2

28

19 (67.9%)

D (11); Type IV (5); Type IV + D (2); Peru8 + Type IV (1)

WWTP3

66

38 (57.6%)

D (22); Type IV (11); Type IV + D (1); Peru8 (2); Peru6 (1); PtEb IX (1)

WWTP4

78

42 (53.9%)

D (17); Type IV (14); Peru8 (4); Peru11 (2); Type IV + D (2); EbpC (1); Type IV + Peru11 (1); MWC-m1 (1)

Sub-total

238

134 (56.3%)

D (77); Type IV (30); Peru8 (10); Peru11 (2); EbpC (2); Peru6 (1); MWC-m1 (1); GZW1^a (1); PtEb IX (1); Type IV + D (7); Type IV + Peru11 (1); Peru8 + Type IV (1)

Sewer 1

11

2 (18.2%)

D (2)

Sewer 2

11

1 (9.1%)

D (1)

Sewer 3

11

–

Sewer 4

11

1 (9.1%)

GZW2^a (1)

Sewer 5

11

1 (9.1%)

D (1)

Sewer 6

11

4 (36.4%)

D (3); Type IV (1)

Sewer 7

11

7 (63.6%)

D (3); Type IV (1); PtEb IX (2), GZW3a (1)

Sewer 8

11

7 (63.6%)

Type IV (3); D (1); Type IV + D (2); EbpC (1)

Sub-total

88

23 (26.1%)

D (11); Type IV (5); PtEb IX (2); Type IV + D (2); EbpC (1); GZW2^a (1); GZW3^a (1)

Total

326

157 (48.2%)

D (88); Type IV (35); Peru8 (10); Type IV + D (9); PtEb IX (3); EbpC (3); Peru11 (2); Type IV + Peru11 (1); Peru6 (1); MWC-m1 (1); GZW1^a (1); GZW2^a (1); GZW3^a (1); Peru8 + Type IV (1)