Spatiotemporal variability and normalization capability of crAssphage in wastewater-based epidemiology.
Wastewater-based epidemiology (WBE) data are commonly normalized to a human fecal indicator to account for the variability in sample composition and analytical efficiency, which can be introduced by environmental or sewer system differences (e.g., infiltration and inflow, wastewater travel time) as well as sample proce...