[PekChek]

Quote : Many diagnostic tests remain positive even weeks after patients have fully recovered. Experts now believe those tests are reacting to dead viral fragments still being cleared by the body, not to a live virus that can infect anyone else.
So to stop self-isolation and resume normal activities when you get a negative result will takes weeks if not months.
You can read
https://www.nytimes.com/2020/07/22/healt...sting.html