In LA County the correlation between the amount of covid in the sewage was very clear in 2020 but seems to have diverged in 2021 - https://www.lacsd.org/home/sh

In LA County the correlation between the amount of covid in the sewage was very clear in 2020 but seems to have diverged in 2021 - https://www.lacsd.org/home/showdocument?id=4318 https://www.lacsd.org/home/showdocument?id=4318