Earlier quoted context omitted.
Here's the covid sewage data for Silicon Valley: https://covid19.sccgov.org/dashboard-wastewater A week or so ago, it didn't look too bad. It is indeed much worse than I realized right now.
Meh. Wastewater has everything in it, but not things aren't checked for. Covid is now too broad a term that includes far less dangerous variants. You need to draw a line between Covid and colds, or else count colds like Covid.
Here's the protocol: https://www.cdc.gov/healthywater/surveillance/wastewater-sur...