Table 4.
Detection of human enteric viruses in total viral NA extracts by real-time PCR and RT-PCR
| Source water | n | Number of positive samples for virus target by real-time PCR or RT-PCR | |||||
|---|---|---|---|---|---|---|---|
| EV | HuNoV | HuAdV (Type A–F) | HuPyV (JC or BK) | HEV | |||
| GI | GII | ||||||
| GW | 4 | ND | 1 | ND | ND | ND | ND |
| DW* | 6 | ND | ND | 1 | ND | 1 | ND |
| SW | 9 | ND | ND | 1 | 2 | ND | ND |
ND = not detected; GW = groundwater; DW = treated drinking water; SW = surface water; EV = human enterovirus; HuNoV = human norovirus; HuAdV = human adenovirus; HuPyV = human polyomavirus; HEV = hepatitis E virus.
*
One water kiosk DW sample tested positive for both HuNoV GII and HuPyV.