Breanna McArdle, MPH

Wastewater surveillance has emerged as one of public health's most innovative tools, offering early warning signs of disease outbreaks and filling critical gaps left by traditional surveillance systems. Breanna McArdle, epidemiologist and program manager for Washington state's wastewater-based epidemiology program, explains how public health agencies decide which pathogens to monitor, why wastewater data must be interpreted alongside other surveillance sources, and how the field is evolving beyo...