There have even been claims of SARS-CoV-2 in March 2019, which I think are almost certainly false positives:https://www.lesswrong.com/posts/fzAGNMeL7a4J8k7im/was-sars-cov-2-actually-present-in-march-2019-wastewater
There have even been claims of SARS-CoV-2 in March 2019, which I think are almost certainly false positives:
https://www.lesswrong.com/posts/fzAGNMeL7a4J8k7im/was-sars-cov-2-actually-present-in-march-2019-wastewater