Table 4.
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.