| occurrence and genetic diversity of human cosavirus in influent and effluent of wastewater treatment plants in arizona, united states. | human cosavirus (hcosv) is a novel member of the family picornaviridae. we investigated the prevalence and genetic diversity of hcosv in influent and effluent wastewater in arizona over a 12-month period, from august 2011 to july 2012. hcosv sequences were identified in six (25%) influent samples and one (4%) effluent sample, with the highest concentration of 3.24 × 10(5) and 1.54 × 10(3) copies/liter in influent and effluent, respectively. the strains were characterized based on their 5' untran ... | 2015 | 25936956 |