I previously read about this in the context of a company that claims they are working on a similar test: https://seekingalpha.com/news/3604178-hindenburg-resea

I previously read about this in the context of a company that claims they are working on a similar test: https://seekingalpha.com/news/3604178-hindenburg-research-skeptic-of-sorrentos-covid-spit-test https://seekingalpha.com/news/3604178-hindenburg-research-sk...