sentence: Some PyVs , including BKPyV , WUPyV , KIPyV , MCPyV and JCPyV have been detected at high concentrations ( up to 10 genome copies ( gc ) / l ) in wastewater , river and seawater and sediment , in swimming pools and in tap water ( Di Bonito et al ., 2017 ; Dias et al ., 2018a , Dias et al ., 2018b ; Farkas et al ., 2018a ; Fratini et al ., 2014 ; Hamza and Hamza , 2018 ; Rachmadi et al ., 2016 ) .