Figure 1.

Collection sites of positive samples. Metropolitan region of Campinas (a) and the collection sites of positive samples plotted on a map of the city of Campinas (b). The genetic assemblages identified in each group were plotted in the map close to the collection site. ●, Samambaia wastewater treatment plant; ♦, Center for Zoonosis Control and Piçarrão wastewater treatment plant; ■, River Atibaia collection site;., Unicamp Hospital and hospital sewage; ▲, Daycare center, Proença and Serafim streams and river Anhumas