Figure 1

Wastewater-based monitoring for community-level COVID-19 tracking. Top: Workflow for sample collection through detection and quantification of SARS-CoV-2 using both quantitative and droplet digital PCR platforms (created with BioRender.com). Bottom: County health department data for positive cases reported by clinical testing within the county that encompasses the wastewater treatment plant (sampling site) in the date range relevant to sample collection30.