Variant abundance estimations from wastewater surveillance study by FDA/CFSAN

The underlying data for the CovidTrakr dashboard, https://www.fda.gov/food/whole-genome-sequencing-wgs-program/wastewater-surveillance-sars-cov-2-variants, as processed by C-WAP, https://github.com/CFSAN-Biostatistics/C-WAP, a custom data analysis pipeline that was developed by the United States Food and Drug Administration, Center for Food Safety and Applied Nutrition.