An excellent article on recent antibody test results from Stanford.

https://www.wired.com/story/new-covi...re-they-right/

Here's another article on NYCs antibody test results indicate that the numbers of people who have been exposed/"infected" with Covid-19 successfully developed antibodies are likely more than tenfold the number of confirmed cases, AND they didn't even know they were "infected".

https://www.nbcnewyork.com/news/loca...cases/2388182/

Both of these tests from the opposite coasts suggest the same thing: Covid-19 isn't significantly different than the flu, it was well established in the population BEFORE the shutdown.