But Delta has been the only game in town for a while now (>99% of cases since late August), so this recent rise in the wastewater viral levels shouldn’t be attr

But Delta has been the only game in town for a while now (>99% of cases since late August), so this recent rise in the wastewater viral levels shouldn’t be attributable to a change in the proportion of variants (TBD on Omicron?). https://covid.cdc.gov/covid-data-tracker/#variant-proportions https://covid.cdc.gov/covid-data-tracker/#variant-proportion...