| relative abundance and treatment reduction of viruses during wastewater treatment processes--identification of potential viral indicators. | waterborne pathogenic viruses discharged from wastewater treatment plants (wwtps) pose potential public health risks. in the present study, we investigated the relative abundance, occurrence, and reduction of eleven different viruses at two wwtps in southern arizona over a 12-month period, from august 2011 to july 2012. influent and effluent samples from the two wwtps were collected monthly. viruses were concentrated using an electronegative filter method and quantified using taqman-based quanti ... | 2014 | 24836386 |