Fig. 4From: Quantitative microbial risk assessment for waterborne pathogens in a wastewater treatment plant and its receiving surface water bodyProbability of infection with mean E. coli counts based on accidental ingestion of 1 mL raw influent or 1 mL final effluent water in a WWTP (Also shown is the daily Pi based on single exposure and yearly Pi based on multiple weekly exposures)Back to article page